proudly serving 200+ clients.

Kestrel Engineering, Inc. - Houston, TX

Kinder Morgan - Houston, TX; Lakewood, CO; Orange, CA

Kleinfelder - San Diego, CA

KLJ - Bismarck, ND

L&S Surveying - San Fernando, Trinidad

Lake Superior Consulting - Duluth, MN

Lamb-Star Engineering - Plano, TX

Landmark Surveying & Engineering - Bakersfield, CA

Landmark Survey and Mapping - Washington, PA

Larson Design Group - Williamsport, PA

Link Field Services - Mineral Wells, TX

LJA Engineering, Inc. - Beaumont, TX

LT Mapping Services, Inc. - Tulsa, OK

LW Survey - Denver, CO; Duluth, MN; Tulsa, OK; Lafayette, LA

LyondellBasell Industries - Houston, TX

M&H Energy Services - Lafayette, LA; Houston, TX

Markwest - Denver, CO; Tulsa, OK

Maverick Engineering - Houston, TX

McElhanney Land Survey - Calgary, AB

Meridian Surveying and Mapping - Houston, TX

Meridian Surveys - Saskatoon, SK Canada

Messinger & Associates - Bastrop, LA

Michael Baker Jr., Inc. - Houston, TX

MidAmerican Energy - Omaha, NE

MKEC Engineering - Wichita, KS

Morris P. Herbert, Inc. - Baton Rouge, LA; Houma, LA; Houston, TX

National Pipeline Services, LLC - Pleasant, MI

Northern Natural Gas - Omaha, NE

Novara GeoSolutions - Norwell, MA

NTB Associates, Inc. - Shreveport, LA

NuStar Energy - San Antonio, TX

Open Range Field Services, LLC - Boerne, TX

Opus Stewart Weir - Sherwood Park, Alberta

Oxy - Houston, TX; Midland, TX

Pelican Energy Partners - Houston, TX

Percheron, LLC - Katy, TX

Petersen Engineering, Inc.  - Indianapolis, IN

PetroFac - London SW1Y 6HH, UK

PetroIT - Houston, TX; New Delhi, India

Petroleum Field Services - Denver, CO

Pipeline Land Services - Wichita Falls, TX; San Antonio, TX

Pipeline Project Services - West Monroe, LA

Plains All American Pipeline - Houston, TX

Plantation Pipeline Company - Atlanta, GA;

Point Engineering - Port Harcourt Rivers State, Nigeria

Project Consulting Services - Houston, TX; Metaire, LA; Atlanta, GA

Protech EIS - Hardinsburg, KY

QPS Engineering - Tulsa, OK

R Squared - Monroe, LA

Raba Kistner Infrastructure, Inc. - Dallas, TX

Rapid Response Project Limited - Calgary, AB

Rooney Engineering - Centennial, CO

Rose Rock Midstream, L.P. - Oklahoma City, OK

RSH Energy, LLC - Houston, TX

Russell Corrosion - Columbia, MD

S&B - Houston, TX

SAM, LLC - Austin, TX

SGC Engineering - Westbrook, ME

Shafer, Kline, & Warren, Inc. - Kansas City, MO; The Woodlands, TX; Tulsa, OK

SNC Lavalin - Calgary, Canada

Solaris Management Consultants Inc. - Surrey, B.C. 

Southern Design Cadworks - Houston, TX

Spartan Engineering - Tulsa, OK

Spec Services - Orange County, CA

Spectra Energy- Houston, TX

Stantec - Buckhannon, WV

Strike, LLC - The Woodlands, TX

Structural Integrity - Centennial, CO

STV, Inc. - Douglassville, PA

Summit Midstream - Houston, TX; Denver, CO; Grand Prairie, TX

Sunoco, Inc. - Houston, TX

Superior Appalachian Pipeline - Canonsburg, PA

T. Baker Smith, Inc. - Houston, TX; Houma, LA

T.G. Mercer - Overland Park, KS

Technical Design Services - Duluth, MN

Territorial Landworks, Inc. - Missoula, MT

Thrasher Engineering - Bridgeport, WV

Three Streams Engineering Ltd. - Calgary, AB, Canada

Titan Corrosion - Tomball, TX

Topographic - Pampa, TX

TransCanada Pipelines - Houston, TX; Calgary, AB, Canada

Transglobal Services, LLC - Fort Worth, TX

Trans Adriatic Pipeline (TAP) - Greece, Albania, Italy

TRC Solutions - Orange County, CA

Trico Survey & Mapping - Bloomington, IN

TROW Engineering - Tallahassee, Fl

Uintah - Vernal, UT

Universal Ensco Inc. - Houston, TX; Tulsa, OK;

Universal Geomatic Solutions - Calgary, AB; Edmonton, AB

Universal Pegasus International - Houston, TX; Lafayette, LA; Calgary, AB

Universal Survey and Mapping - Tulsa, OK

Upside Engineering - Calgary, AB, Canada

Vanasse Hangen Brustlin, Inc. - Watertown, MA

Wayne Acree, P.L.S., Inc. - West Monroe, LA

Weisser Engineering & Surveying - Houston, TX

West Company of Midland, LLC - Midland, TX

Westwood - Eden Pairie, MN

William H. Smith & Associates - Grand Junction, Colorado

Williams - Tulsa, OK

Williams Gas Pipeline - Houston, TX; Tulsa, OK

Wilson & Company, Inc. - Phoenix, AZ; Corpus Christi, TX; Salina, KS

Wink Engineering, LLC - Baton Rouge, LA; West Monroe, LA

Wood Group Mustang - Houston, TX

WorleyParsons - Calgary, AB; Houston, TX

WSP Canada, Inc. - Calgary, AB, Canada

Xcel Energy - Denver, CO

AECOM - Denver, CO; Lakewood, CO; Houston, TX; Pittsburgh, PA

Aegion Corporation - Houston, TX

All American Energy Services - Gainesville, TX

Allied Corrosion - Marietta, GA; Houston, TX

Allseas Group S.A. - The Netherlands

Alpha Leak Detection & Pipeline Services - Kemah, TX

AMEC Foster Wheeler - Houston, TX

Applied Consulting Field Services - Longview, TX

Aspen Corrosion, Inc. - Houston, TX

Atlas Engineering - Houston, TX; New Orleans, LA; Aberdeen, Scotland

Atwell - Houston, TX; Pittsburgh, PA; San Antonio, TX

Audubon Field Solutions - Houston, TX; Tulsa, OK

Baker Hughes - Houston, TX; Calgary, Canada; Edmonton, Canada

Bartlett & West - Bismarck, ND; Topeka, KS

Bechtel - Houston, TX; Frederick, MD

BL Companies - Pittsburgh, PA

Blue Mountain, Inc. - Burton, WV

Boardwalk Pipeline Partners LP - Houston, TX; Owensboro, KY

Bowman Consulting - Pittsburgh, PA

BP - Houston, TX; Calgary, AB Canada

Burns & McDonnell - Houston, TX; Kansas City, MO

C.H. Fenstermaker & Associates, Inc. - Lafayette, LA; New Orleans, LA; Nashville, TN; Houston, TX

Cadd Data, Inc. - Guaynabo, P.R.

CAMS Trident - Baytown, TX

Cardno Inc. - Houston TX

Carnegie Strategic Design Engineers, LLC - Houston, TX; Pittsburgh, PA

CEM Resources, Inc. - Houston, TX; Fellsmere, FL

Centurion Pipeline - Houston, TX

CH2MHILL - Houston, TX; Denver, CO; Bellevue, WA; Corvallis, OR; Santa Anna, CA;

Chenault Consulting, Inc. -Farmington, NM;

Cheniere Energy -Houston, TX

Chesapeake Energy - Fort Worth, TX; Horseheads, NY; Oklahoma City, OK; San Antonio, TX;

Chester Engineers - Moon Township, PA

Chevron - Houston, TX

Chippewa Resources - Minot, ND

Cimarex - Denver, CO; Tulsa, OK; Midland, TX

Cimarron Engineering, Ltd. - Calgary, AB, Canada

Civil & Environmental Consultants, Inc. - Bridgeport, WV

CobbFendley - Houston, TX

Consolidated Contractors Company - Athens, Greece; Brisbane, Australia; Dubai, U.A.E

Contract Land Staff - Sugar Land, TX

Cornerstone Engineering Services - Scarborough, ME

Corrosion Service - Ontario, Canada

CorrPro - Houston, TX

CP Masters - Guthrie, OK

Crestwood Midstream Partners LP - Houston, TX

Cross Texas Land Services - Mason, TX

CSD Engineers LLC - Houston, TX; Pittsburgh, PA

D3 Survey and Mapping - Ft. Worth, TX

Damian & Associates - Freeport, TX

Dawood Engineering, Inc - Sturbridge, MA

DCP Midstream - Houston, TX

Denbury Resources, Inc. - Plano, TX

Devon Energy - Houston, TX; Oklahoma City, OK

Downtown Design Services Inc. - Denver, CO; Tulsa, OK

Doyle & Wachtstetter, Inc. - Clute, TX

The EADS Group - Somerset, PA

EDM Services - Simi Valley, CA

EMC, Inc. - Grenada, MS

EMS Global, Inc. - Houston, TX

EN Engineering - Woodridge, IL

Enable Midstream Partners, LLC. - Oklahoma City, OK

Enbridge - Houston, TX; Superior, WI; Edmonton, Alberta, Canada

Encompass Energy Services, LLC - Houston, TX

Energy Land & Infrastructure - Nashville, TN

Energy Transfer - Houston, TX

Engineering Service - Jackson, MS

ENGlobal - Houston, TX; Tulsa, OK

EnSite USA - Houston, TX; Versailles, KY

Enterprise - Houston, TX

EQT Corporation - Pittsburgh, PA

Equinox Engineering Ltd. - Calgary, AB

Equistar Chemicals - Houston, TX

Erickson Contract Surveying - Sidney, MT

Ericsson - Plano, TX; Santa Clara, CA

Excel Midstream - Houston, TX

Fisher Associates - Buffalo, NY

Fluor - Houston, TX; Camberley, UK; Trinidad

Frontier Surveying Company - Fort Worth, TX

FSC, Inc. - Ft. Worth, TX

G2 Partners, LLC - Houston, TX

GAI Consultants - Homestead, PA

Ganem & Kelly Surveying, Inc. - Point Comfort, TX

Gateway Services Group - Fort Worth, TX

Geophysical Data Management, Inc. - Dallas, TX

GeoTerra Integrated Resource System Ltd - Prince George, BC, Canada

Golden Field Service - Tulsa OK

Golder Associates - Calgary, AB, Canada

Gulf Interstate Engineering - Houston, TX

Gullett & Associates, Inc. - Houston, TX

Hanson Survey - Houston, TX

Hatch Mott MacDonald - Hadley, MA; Houston, TX; Milburn, NJ

Herbert, Rowland, & Grubic, Inc. - Cranberry Township, PA

Hiland Partners - Enid, OK

Holland Engineering - Holland, MI

Howland Engineering & Surveying Co. - Laredo, TX

Hunt, Guillot & Associates Pipeline Services, LLC - Ruston, LA

Ingenieria Dennis - Mexicali B.C., Mexico

Integrated Pipeline Services, Inc. - Canonsburg, PA; Tulsa, OK

Jacobs Engineering Group, Inc. - San Antonio, Austin, & Fort Worth, TX

Joe Hunt & Associates, Inc. - New Milford, PA

John Chance Land Surveys, Inc. - Lafayette, LA

Johnston-Vermette - Montreal, CA

KBR - Houston, TX; Brisbane, Australia