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Our Clients

  • 1488 Land Development Co., Inc.
  • 242, LLC
  • AECOM Inc. dba AECOM Environment
  • AEI Engineering, Inc.
  • Alan Stewart PC
  • AMEC Paragon Inc
  • American Municipal Power, Inc.
  • Benchmark Ecological Services
  • Berg Oliver Associates
  • BGE Environmental Services Group LP
  • Bolivar Vanguard, LTD
  • Burk-Kleinpeter, Inc
  • C.H. Fenstermaker & Associates, Inc.
  • Cherokee Sugarland LP
  • City of Lake Jackson, Texas
  • Claunch & Miller, Inc.
  • Coler & Colantonio, Inc.
  • Conestoga-Rovers & Associates
  • Crouch Environmental Services, Inc
  • Devine Tarbell & Associates, Inc
  • Edge Engineering and Science
  • El Paso, Inc.
  • ERGIS
  • ERM, Inc
  • ExxonMobil
  • Florida Gas Transmission Co LLC
  • Geo-Marine Inc.
  • Great Lakes Dredge & Dock
  • Great American Companies
  • Gremminger & Associates, Inc.
  • Gulf Coast Rod Reel and Gun Club
  • Gulf Engineers & Consultants, Inc.
  • Harris County Flood Control District
  • HDR/DTA
  • Hicks & Company
  • Hillwood Residential
  • HNTB Corporation
  • Holocaust Museum Houston
  • Houston Petrochemical, Inc.
  • IT Corp
  • Jacobs
  • John T. Jakubik & Assouciates, Inc
  • Kellogg Brown & Root Services, Inc.
  • Kise Straw & Kolodner
  • Leaf River Energy, LLC
  • Malcolm Pirnie
  • McGuireWoods
  • Michael Baker, Jr., Inc
  • Mike Sorrell
  • Mustang Engineering, LP
  • MWRO-Cultural Resources
  • Natural Resource Group, Inc.
  • Newland Communities
  • NiSource
  • Northern Land Use Research, Inc
  • NPS-Indiana Dunes Natl Lakeshore
  • Office of Organizational Resources
  • Contracting and Facilities Division
  • Othon, Inc. Consulting Engineers
  • Ozark Gas Transmission, LLC
  • Panhandle Energy
  • Parsons Brinckerhoff
  • Parsons Infrastructure & Technology Group, Inc.
  • PEC Corporation
  • Perennial Environmental Services
  • Pinkerton Consulting & Investigations
  • Ratnala & Bahl, Inc
  • Regent Square Development, LP
  • Robert Reid Consulting Engineer, Inc.
  • Rush Development, LP
  • Sendero Environmental, LLP
  • Shook, Hardy & Bacon LLP
  • Sienna / Johnson Development LP
  • Sienna Plantation LID
  • SMEDA
  • Southern Crushed Concrete, LLC
  • Spoonbill Bay Development, L.P.
  • Springwoods Realty Company
  • Statistical Research, Inc.
  • Tarpon Gas Storage LP
  • TCB | AECOM
  • Tenaska
  • Texas Historical Commission
  • TFC Management
  • URS Corporation (AK)
  • URS Corporation
  • US Army Corps of Engineers
  • USDA-NRCS
  • UST-Pru Sienna, L.P.
  • UT MD Anderson Cancer Center
  • V&W Partners
  • Vogt Engineering LP
  • Wayne J. Crouch Environmental Services
  • Woodland Lake Development, Inc
  • Woolpert

Client Testimonials

“…we commend you on the quality of the report…”

Elizabeth Ann Brown
Deputy State Historic Preservation Officer, State of Alabama.

“…we were very impressed with your qualifications and the extent and quality of your work.”

Cynthia Brandimarte
Program Director Historic Sites and Structures, Texas Parks & Wildlife.

“Mr. Button (Federal Energy Regulatory Commission) also spoke highly of HRA Gray & Pape's overall work on the Golden Pass project. Ms. Garcia (ExxonMobil) asked that I extend Mr. Button's compliments, as well as her own, to HRA Gray & Pape. Add my compliments to the list and pass along to others on HRA Gray & Pape's Golden Pass crew.”

Robert Salzer
AMEC Paragon, Inc.

“I deeply appreciate the professional way your staff conducted this levee construction survey project at the Justin Hurst WMA.”

Christopher Lintz
Cultural Resource Specialist, Wildlife Division Texas Parks and Wildlife Department

“I have to say right up front that I am especially pleased with this report. It is most refreshing to read a scientific document written in the correct format that went above and beyond the ordinary. Thanks again for a well written report. ”

Ruth A. Mathews
Texas Parks and Wildlife Department Cultural Resources Coordinator State Parks Region 4

“I would just like to commend you for the nice job on the historic context for the Victoria project. You covered a lot of ground and it is a very interesting read. Thank you so much for a job well done and for getting it to us a little early—that helped immensely!”

Marsha Prior, Ph.D.
Director, Historical Research Services
Geo-Marine, Inc.

“Within a week of receiving the history of the wildlife program in the Forest Service, I finished reading the manuscript. I found it fascinating, exciting and a wonderful retrospect of a federal resource management agency. ... It should become required reading for basic courses in the conservation of natural resources it’s that good.”

Jim Yoakum
Western Wildlife

“Thank you for the exceptionally fine work of providing historical context to the core and archival documents. Together they offer an in-depth and powerful understanding of at least the traditional use of hunting through time as they pertain to each tribe – and an equally powerful understanding of the emotional and complex saga tribes experience in asserting rights to their homeland .”

R. Sucec
National Park Service, Yellowstone National Park

“Having completed my review of their history of the St. Paul District, Army Corps of Engineers, I want to commend both historians on their outstanding work. I can happily attest that HRA conducted dozens of oral interviews; spent countless days pouring over hundreds of boxes from the district archives; and communicating with me regularly throughout the writing process. The result is an exceptional history – superbly written and exhaustively researched – and I simply could not be happier with the quality of the work. ”

M. T. Pearcy
U.S. Army Corps of Engineers

“Excellent work on our Butte Class III Cultural Inventory contract. All the work was done in a thorough and timely manner, and your people did an excellent job of working with our Project Inspector on all the technical aspects of the contract.”

Dave Pickett
Bureau of Land Management
“I wanted to thank you for all of your hard (and fast) work on this effort. I think that HRA did an admirable job on the report – the level of detail and documentation is very impressive. This will provide significant valuable information to all of the stakeholders.”

B. Middleton
U.S. Department of Interior