Twistleaf Land Design

Contact: Sarah Yant

Phone: (512) 489-0798



Twistleaf is a full-service landscape architecture and construction firm based in Central Texas. Born out of a passion for the land, our award-winning projects range from public green spaces to private ranches. We partner directly with clients or collaborate on multidisciplinary design teams of architects, engineers and planners. Urban or rural, our clients value beauty, functionality and land stewardship. Our name comes from the twistleaf yucca, Yucca rupicola, a native Texas plant that exemplifies beauty and resiliency. In an adaptation to our region’s droughts, its spiraling leaves funnel rainwater to the center of the evergreen plant. The twistleaf inspires the innovative design and ecological approach we bring to every project  We are invested in our projects from concept to completion, creating visionary landscapes that honor the communities and natural heritage of Central Texas.

Professional Services:
● Feasibility Studies
● Strategic Planning
● Community & Stakeholder Engagement
● Land Planning
● Site Design
● Master Planning
● Placemaking
● Ecological Restoration
● Landscape Construction

Project Types:
● Parks & Public Open Spaces
● Trails & Greenways
● Ranch Properties
● Prairie & Riparian Areas
Example Project: Horseshoe Bay Nature Park

Sarah Yant, our founder and principal, is a seventh-generation native Texan with almost 20 years of
experience as a designer and contractor. Her passion for land stewardship began while growing up on
her family’s ranch on the blackland prairie of northeast Texas. Sarah graduated with honors from
Southwestern University in Georgetown, Texas. During her career, she has developed a trusted
reputation for teamwork and reliability. Sarah builds lasting relationships with clients and excels at
strategic planning, team building and managing complex projects and budgets.

Shannon Rogers, ASLA, is our Principal Landscape Architect and hails from Dallas. She holds a
Bachelor of Landscape Architecture from the University of California, Davis, and has over 20 years of
experience in the field. Known for problem solving and attention to detail, Shannon brings expertise
and enthusiasm to the design process. She has enjoyed working on campuses, parks, wineries, retreat
centers, ranches, multi-use and estate scale residential projects, and municipal plan checking.
Credentials: Shannon Rogers, PLA 3511

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Collaborative Water Resolution LLC

Contact: Todd Votteler

Phone: (512) 970-9840



Headquartered in Texas, Collaborative Water Resolution LLC, provides its clients with the highest level of professional assistance through facilitation, mediation, research, strategic analysis, personnel evaluation and recruitment, and training.

Professional Services & Areas of Expertise:

Facilitation and Mediation

Conflict over water and the environment is increasing to the point that it is becoming a common theme throughout the world. Yet in most cases mechanisms and institutions to manage disputes are either absent or inadequate. Facilitation and mediation provide alternatives to conflict. Collaborative Water Resolution LLC provides its clients with facilitation and mediation services tailored to address your dispute.

Problem Solving through Research and Strategic Analysis

Managing our water resources and environmental problem solving present crucial challenges of the 21st century. Collaborative Water Resolution draws on decades of training and experience in a wide range of disciplines to address complex problems.

Personnel Evaluation and Executive Recruiting

Determining whether your executives are performing and meeting your organizations goals is critical to any organization’s operations. Collaborative Water Resolution can evaluate the performance of your executive staff and recommend modifications or replacements.

Recruiting is often necessary for employers to find qualified executive and senior level professionals. With the baby boomer generation rapidly entering retirement, the need to find qualified candidates to replace retiring employees has never been more challenging. Collaborative Water Resolution’s principal has recruited and hired executives and senior level land and water professionals for a range of organizations. His decades of experience combined with almost 10,000 professional contacts can find right professional to meet your needs.

Tailor-Made Training

Need a workshop on a specific topic, or topics, designed to meet specific needs and requirements? Collaborative Water Resolution uses its vast network of professionals to provide specific training through workshops that address tailored to your needs, and saves you money by allowing your employees to avoid extra time away from the job due to travel, as well as avoiding the expenses of travel, lodging, meals and other incidentals.

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Ironwood Resource Advisors

Contact:Troy J. Madrigal – Principal

Phone: (281)795-1469




Headquartered in Texas, Ironwood Resource Advisors LLC specializes in conservation land advisory, ecosystem services, and marketing for wetland, stream and endangered species mitigation banks. The firm represents landowners, the ecosystem marketplace, and conservation investments throughout the United States with an emphasis in Texas.


Professional Services:



Credit Sales and Brokerage

Inventory Management & Optimization

Overall Market and Demand Analysis



Mitigation alternatives and procedures

Ecosystem Markets

Sustainability and environmental goals



Conservation Assets

Mitigation Site Selection

Acquisition Management

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LVBrown Studio

Contact: Lauren Brown

Phone: (608) 772 – 4287



LVBrown Studio is a woman-owned and water-focused design consultancy helping people imagine and visualize environmental change. Lauren (LVB) draws from over twenty years of experience spanning professional landscape architecture and land planning, to academic and field-applied experience in natural stream engineering and ecological restoration.

LVB uses her core strengths of spatial analysis, creative problem-solving, and technical interpretation to imagine and communicate project outcomes. She works across disciplines to understand desired goals, ideate solutions, and produce illustrative products that have the power to inform, engage, educate, and inspire.

While her physical studio is currently based in Austin, TX, LVB enjoys collaborating with conservation and environmental leaders around the U.S. Check out a few of these recent projects and click on our website link above to learn more!

Colorado River Land Trust – Illustrative Watershed Map

LVB enjoyed the challenge of characterizing this Texas-based land trust’s geographical service area, mission, and values for a 40,000-square-mile region into a single map product. CRLT will use the (Texas) Colorado River watershed map in its new organizational brand materials, such as membership brochures, event posters, and online media for brand messaging and educational purposes.

Environmental Defense Fund – “Water in the Texas Desert” StoryMap

An educational ESRI StoryMap highlights a regional groundwater aquifer sustaining the San Solomon springs in West Texas. LVB was part of the creative team led by Water PR. Design consulting services included geographical basemapping, research, and the design of interpretive maps, diagrams, and character illustrations for an interactive online publication (coming soon.)

Hill Country Alliance – Conservation Organization Mission Map

LVB is working with HCA to develop an illustrative map for the conservation organization’s 17-county service area to highlight the Hill Country’s diverse ecology, geology, hydrology, and cultural heritage. The map will serve as a communication touchstone for HCA’s four program areas (land, water, night skies, and communities.) Final art is intended for end-of-year appeals, reports, map merchandise, online educational and awareness campaigns (coming soon.)

Lake Forest Open Lands Association – Greene Nature Preserve Interpretive Signage

LVB provided interpretive signage design services for the grand opening of the Land Trust’s Greene Nature Preserve at McCormick Ravine in Lake Forest, Illinois. Design consulting services included research, theme development, photography, illustration, map-making, copywriting, and graphic design for the nature preserve’s outdoor interpretive panels. (signage base design and installation by others)

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Conservation Equity Partners

Contact: Tamara Wood

Phone: (512) 699-5986



Conservation Equity Partners is an enterprise that merges traditional natural resource management, real estate investment and ecological services while developing, operating and monetizing integrated conservation strategies. Projects include rural land investment, regulatory-driven ecological offsets and legacy asset development. CEPs business philosophy for success is simple and encompasses a three-pronged strategy: work with quality people, maintain a friendly and enjoyable working environment for all participants, and develop superior project outcomes that deliver enhanced value.

Professional services:

Environmental consulting and permitting
Natural resource management
Ecological baseline and assessments
Timber and Forest Management
Wetland Delineation and Permitting

Areas of expertise:

Conservation Banks
Stream and Wetland Mitigation
Financial joint-ventures
Conservation easements
1-D-1 Tax exemptions
Mitigation Monitoring and Reporting
Wildlife Management


Principle and co-owner of Conservation Equity Partners; Terry Anderson received his B.S. in Forestry with an emphasis in Wildlife Management from Stephen F. Austin State University and has spent the last 27 years working in the private sector of the natural resource field. Terry has worked with a series of companies made up of foresters, ecologists, GIS specialists, real-estate developers, and marketers, specializing in working with land, water, and wildlife resources through traditional approaches and creative enterprises. Working with landowners, private equity groups, venture capitalists, state and federal regulators, realtors, and land trusts, Anderson focused much of his time and energy in developing integrated conservation and mitigation projects. Over his career, Mr. Anderson has been involved with the development of over 25 mitigation banks, and countless other conservation projects. He is also co-owner of Wildlife Systems, Inc. and is actively involved with the Texas Wildlife Association as well as a current Board Trustee for Texas Wildlife Association Foundation. In addition to having expertise in applied field biology disciplines, Anderson is well-versed in conservation finance strategies and federal environmental policy, while also being a believer and advocate for the merits of “good to great” principles in the business world.

Principle and co-owner of Conservation Equity Partners; Greg Simons graduated with a bachelor’s degree in Wildlife and Fisheries Sciences from Texas A&M University in 1987, with emphasis on wildlife ecology. After graduation, Greg immediately formed Wildlife Systems, Inc., which is a company he still owns and operates today. This company currently operates hunting and wildlife programs on over 800,000 acres of private land in Texas, scattered over many different properties across the state. This company was named Dodge Outfitter of the Year in 2003 from a cast of over 450 hunting operations in North America. Greg has also worked with various hunting programs in several other states including Colorado, New Mexico, Oklahoma, and Utah, and various foreign countries, including South Africa, Zimbabwe, Zambia, New Zealand, Canada, and Mexico. Greg past officer in the Texas Chapter of TWA, Past President of Texas Wildlife Association (10,000+ members), current Board Trustee for Texas Wildlife Association Foundation, current member of White-tailed Deer Advisory Committee for the State of Texas, past board member of the San Angelo Chamber of Commerce, past San Angelo CVB Board Chairman, current member of the Legacy Advisory Committee for Wildlife and Fisheries Sciences Department at Texas A&M University, current member of Advisory Board for Conservation Force, and has served on many other appointed committees. Greg has spent much time with wildlife policy work, helping to craft legislative language, working with members of the Texas Legislature, and providing testimony before House and Senate committees.

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Siglo Group

Contact: Jonathan Ogren

Phone: (512) 699-5986



Professional services:

Siglo Group uses the power of geographic information to help our clients integrate land use with natural systems. We specialize in conservation planning, regional analysis, site assessment, cartography, natural area management, and spatial analysis. Our work has contributed to land being set aside in perpetuity for conservation, policies that work towards more sustainable land use, parkland restoration, good development, and a greater understanding of the attributes and values of land.

Areas of expertise:

GIS Mapping and analysis, Baseline documentation

Client list:

• City of San Antonio
• City of Austin
• Texas Land Trust Council
• Texas Land Conservancy
• Hill Country Conservancy
• Hill Country Alliance
• Conservation History Association of Texas
• The Trail Foundation
• Pease Park Conservancy
• The Contemporary Austin
• Wilbarger Creek Conservancy
• Victor Emanuel Nature Tours
• Wimberley Valley Watershed Association
• Clear View Alliance
• Hill Country Land Trust
• Cullinan Park Conservancy
• Cook’s Branch Conservancy
• Texas Agricultural Land Trust
• Numerous Private Land Owners

Primary Customers:

Government agencies, Land Trusts, Land Owners, Lawyers, Real Estate Professionals


We are highly motivated individuals who have come together for work that we find challenging, enjoyable, and purposeful. Our backgrounds include private sector, government, and non-profit work. We balance the need for rigorous intellectual understanding with real world applications of technology and processes. We make solutions that work for geographic information.


Example Projects:
• City of San Antonio Edwards Aquifer Protection Program Conservation Lands Prioritization
• Land for Water Strategic Conservation Plan for Texas Land Trust Council
• Conservation Lands Inventory updating and anlaysis for Texas Land Trust Council
• Strategic Conservation Planning for Hill Country Conservancy
• Mapping the Hill Country– a suite of over 40 maps associated with analysis, growth, projected futures for Hill Country Alliance
• Jacob’s Well Preserve Expansion Analysis
• Sustainable Places Project — small area plans for Elgin, Hutto, Dripping Springs, and Lockhart using the Envision Tomorrow GIS analysis tool.
• Mapping Ecotours of the World for Victor Emanuel Nature Tours
• Storm Ranch Baseline Documentation Report for Hill Country Conservancy

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Resource & Land Management, Inc.

Contact: Mike Petter

Phone: (830) 480-5003

Mobile: (210) 415-2266



Resource and Land Management, Inc. is based in Pleasanton, Texas and our work is primarily located throughout the Gulf States in both upland and aquatic ecosystems. RLM was started in 1987 as a forestry and agricultural consulting and management company. We soon added wildlife management and consulting to our growing list of services. Our clients include large family operations, corporate and institutional landowners, and fiduciary managers of land.

Our experiences in managing natural resources have put us in a small group of companies that are capable of providing turnkey management services as well as contract services that can meet any client’s needs. Working with large and unique operations has afforded us the opportunity to be involved with projects that many land and natural resource managers do not typically perform. Whether you need a consultation to help you determine your best course of action, a detailed plan and experienced crew to implement your vision, or both, the Resource & Land Management team is committed to progressive productivity.

Resource & Land Management can provide the following services:

– Farm and Ranch Management

– Wildlife Management Reclamation and Restoration

– Agricultural Asset Management

– Environmental Site Assessment

– Herbicide Application

– Prescribed Burning

*We are not limited to the list of services above. Please contact us to inquire about related services not listed here.


Our goal is to provide value to our client through hard work and thoughtful consideration of their unique resources.

Our clients range from private small and large landowners, corporate entities that own and operate land, real estate investment trusts and timber investment management organizations for pension funds and other investors, and for municipalities.

Our service array is not so strictly defined. We are often asked to carry out unique projects with various goals, for a wide range of customers. Resource & Land Management has a flair for tackling customer needs head-on. Timely delivery of quality project work is our number one goal.

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Medina Valley Surveys

Contact: Stephanie Prosser

Phone: (830) 538-6427



Professional Services

MVS offers our services statewide. We specialize in:

• Land Surveying
• Land Boundary Consultation
• Document Review and Easement Boundary Verification

Areas of Expertise

• Boundary surveys
• Patent Retracement
• Vacancy and Excess Investigation
• Expert Witness Services
• Topographic Surveys
• Flood Elevation Certificates
• Discrepancy Resolution
• Geodetic Surveying
• Estate Partitions

Primary Customers

• Private Landowners

• Land Trusts

• Developers

Medina Valley Surveys President Paul T. Carey LSLS, RPLS Credentials:

• Licensed State Land Surveyor –Coastal and gradient boundary surveys, retrace original patent lines, evaluate for deficiency, vacancy or excess in original patents and file records with the Texas General Land Office

• Registered Professional Land Surveyor – Licensed and registered for 30 years and performed over 10,000 boundary surveys on the ground

• Texas Society of Professional Surveyors – Past President, Former Director, Former TSFI Chairman, Current Education Committee Member

• Texas Society of Professional Surveyors Course Developer and Presenter

• TBPLS firm #100002-00

• TBPLS registration #4454

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Blair Wildlife Consulting

Contact: Jenny Blair

Phone: (512) 415-9772



Professional services:

· Environmental and GIS Consulting

· Wildlife & Land Management

Areas of expertise:

· Endangered Species Surveys & Conservation Planning
· Conservation Easement Baselines & Annual Monitoring
· Wetland Delineation & Permitting
· Biological Baseline Studies & Inventories
· Land & Wildlife Management
· Environmental Impact Assessments
· Environmental Site Assessments
· GIS & Mapping Services
· Environmental Compliance & Permitting

Client list:

· Hays County
· Bexar County
· City of San Antonio
· Save Barton Creek Association
· Nature Conservancy of Texas
· Texas Parks and Wildlife Department
· Trust for Public Land
· Guadalupe Blanco River Trust
· Hill Country Conservancy
· Bandera Corridor Conservation Bank
· San Antonio River Authority
· Lennar
· Momark Development
· Austin Goodnight Ranch
· Grason Communities
· Plum Creek Development Partners

Primary Customers:
· Local Government(Counties and Cities)
· Private Landowners
· Land Trusts
· Developers
· River Authorities & Water Districts
· Utilities


• Certified Wildlife Biologists

• Technical training in Habitat Conservation Planning, Wetland Delineation & Permitting, and Geographic Information System database management

• TxDOT pre-certified in multiple categories


• Federal and State Permits:

USFWS Endangered Species permit no. TE841353

TPWD Scientific Permit no. SPR-0414-056

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Adams Environmental, Inc.

Contact: Sable Kitchen


Address: 13032 Nacogdoches Road, Suite 214, San Antonio, TX 78217

Phone: 210-858-6873


Professional services:

• Natural resources management

• Ecological Baseline Surveys

• Environmental consulting and permitting

• Geographic Information Systems (GIS) mapping and modeling

• Cultural Resource Management


Areas of expertise:

Natural Resources Management

  • Baseline surveys and documentation for internal use or for conservation easements
  • Biological baseline monitoring
  • Habitat surveys
  • Land management
  • Wildlife management
  • Rare plant population surveys
  • Special status species management guidelines
  • Integrated natural resources management plans (INRMPs)
  • Wildland fire management plan assistance

Environmental Consulting and Permitting

  • Preliminary jurisdictional determination (PJD) of surface waters
  • Wetland and stream delineations
  • Section 404 permitting (Clean Water Act)
  • Coordination with U.S. Army Corps of Engineers
  • Mitigation design and planning
  • Mitigation construction oversight
  • Mitigation monitoring and reporting
  • Stream restoration
  • Fluvial geomorphology surveys for streams
  • National Environmental Policy Act (NEPA)
  • Environmental assessments (EAs)
  • Phase I environmental site assessments (ESAs)

Geographic Information Systems (GIS)

GIS mapping

  • Vegetation mapping
  • Property baseline inventories and mapping
  • Ranch resource mapping
  • Unique habitat characterization and mapping
  • Terrain mapping

GIS modeling

  • Special status species habitat prediction modeling
  • Hydrology modeling
  • Heat map creation
  • 3D visualization

Database creation and management

ArcGIS Online Implementation

Remote Sensing

Drone Services

  • Drone photography and videography of properties and structures
  • Drone aerial imagery
  • Allows for inspection/monitoring of areas that may be difficult to access
  • Conducted by a licensed FAA Part 107 Licensed Drone Pilot

Cultural Resources Management

  • Compliance with National Historic Preservation Act, Antiquities Code of Texas, and municipal historic preservation
  • Background/Literature Reviews and Assessments
  • Archaeological Survey
  • National Register Eligibility Testing
  • Data Recovery and Mitigation
  • Geoarchaeology
  • Historic Resources Assessments

Client list:

City of Austin

  • Water Quality Protection Lands (WQPL) Program

City of San Antonio

  • Edwards Aquifer Protection Program
  • Parks and Recreation Department
  • Transportation and Capital Improvements Department
  • San Antonio International Airport

San Antonio River Authority – GIS Department and Watershed Engineering Department

Green Spaces Alliance of South Texas (dba Bexar Land Trust)

The Nature Conservancy (TNC)

Guadalupe Blanco River Trust (GBRT)

Valley Land Fund

Pheasants Forever, Inc.

Coastal Bend Bays & Estuaries Program (CBBEP)

Braun & Gresham PLLC

Tancig Law PLLC

Alamo Title

Edwards Aquifer Authority (EAA)

Texas Historical Commission (THC)

Texas Parks and Wildlife Department (TPWD)

Texas Parks and Wildlife Foundation (TPWF)

Texas Department of Transportation (TxDOT)

CPS Energy

San Antonio Water System (SAWS)

City of Converse

Universal City

City of Eagle Pass

City of Victoria – GIS Division

Bexar County

Bexar County Flood Control Program

Val Verde County


Nellis Air Force Base (Nevada)

Creech Air Force Base (Nevada)

Nevada Test and Training Range (Nevada)

Marine Corps Air Ground Combat Center Twentynine Palms (California)

Lackland Air Force Base (Texas)

JBSA-Fort Sam (Texas)

Brooks City-Base (Texas)

Various engineering and architecture firms across the United States for both public and private projects

Private landowners (various states)

Primary Customers:

  • Local municipal governments and agencies
  • State agencies
  • Conservation organizations and land trusts
  • Engineering firms for private and public projects
  • Private developers and landowners
  • State agencies
  • Federal government


  • AEI has been in business for over 27 years
  • We are a Texas consulting firm serving long-term clients on both public and private projects
  • Highly experienced and dedicated staff
  • Completed over 17 years of baseline and due diligence services that have assisted the City of San Antonio in conserving 120,000+ acres of land over the Edwards Aquifer
  • AEI has worked closely with non-profit organizations and accredited land trusts such as Green Spaces Alliance of South Texas and The Nature Conservancy
  • SWMBE Certified:
    • Woman Business Enterprise (WBE)
    • Small Business Enterprise (SBE)
    • Emerging Small Business Enterprise (ESBE)
    • Historically Underutilized Business (HUB)
    • Disadvantaged Business Enterprise (DBE)
  • In-depth experience in coordinating with agencies such as:
    • Texas Parks and Wildlife Department (TPWD)
    • Texas Water Development Board (TWDB)
    • Texas Department of Transportation (TxDOT)
    • State Historic Preservation Officer (SHPO)
    • Texas Historical Commission (THC)
    • U.S. Army Corps of Engineers (USACE)
    • U.S. Fish and Wildlife Service (USFWS)
  • AEI’s Biologists, Ecologists, Environmental Scientists and Archeologists have degrees and certifications that include:
    • Ph.D. Agronomy-Crop Science
    • M.S. Range Science
    • Master of Natural Resources
    • B.S. Wildlife and Fisheries Sciences
    • M.S. Geography
    • B.A. Anthropology
    • B.A. Biological Sciences
    • “GIScience” Certificate
    • GIS Professional (GISP) Certifications
    • Various TXDOT Pre-certifications
    • Licensed drone pilot
    • USFWS Endangered Species Recovery Permit for golden-cheeked warbler (Dendroica chrysoparia)
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