About D.R. Griffin & Associates, Inc.

DR Griffin & Associates

Our Story:

D.R. Griffin & Associates, Inc. of Rock Springs, Wyoming, is a Rocky Mountain regional engineering design, land surveying, drafting, mapping, project management, and field services firm attending clients in the pipeline, oil and gas development, and utilities industries.  The original small shop operation was established in 1978 to provide surveying, drafting and mapping to oil and gas clients.  In response to changes in client company organizations and increasing demand for professional and technical services, D.R. Griffin & Associates has grown accordingly.

Personnel Resources:

The firm is staffed with Professional Land Surveyors and Professional Engineers who are licensed in most of the western United States.  To assist the professionals, D.R. Griffin & Associates employs qualified associate engineers, project engineers, technicians, drafters, surveyors, inspectors, field service crewmen, secretaries, and administrative specialists in adequate number to meet routine company and client needs.

Equipment Resources:

D.R. Griffin & Associates has a robust inventory of well-maintained modern vehicles, office equipment, survey instruments, computer workstations, lap-top computers, LAN system, internet website, drafting plotters, office and technical software, engineering copiers, and similar resources to efficiently undertake client work in two separate locations.


Wyoming Office: Rock Springs
The office is readily accessible from
Interstate 80 (I-80) Exit 104, Elk Street.
Address: 1414 Elk Street, Suite 202
Rock Springs, WY 82901
Phone: (307) 362-5028
Email: bforbes@drg-wy.com
Colorado Office: Grand Junction
Address: 570 E. Crete Circle, Unit 1
Grand Junction, CO 81505
Phone: (970) 245-4921
Email: dhenderhan@drg-wy.com

Licensed to Serve in:

Arizona (AZ) California (CA) Colorado (CO) Kansas (KS) Montana (MT)
Nevada (NV) New Mexico (NM) North Dakota (ND) Utah (UT) Wyoming (WY)

Project Types:

Whether the work undertaken is a small individual project requiring only a few man-hours or a start-to-finish 300 mile large diameter pipeline, D.R. Griffin & Associates has the personnel, resources, experience, and commitment to perform the job in a professional, timely and cost effective manner.  For your next assignment or project needing professional services, please call D.R. Griffin & Associates at (307) 362-5028 or contact us at the mail or e-mail addresses provided. Our professionals are anxious to discuss your project and to determine how we can assist.  For small jobs, a standard company labor and equipment rate schedule will be provided for your approval.  On routine predefined work, a lump sum amount can often be established.  For larger more complex endeavors, a project cost estimate and schedule can be provided for your consideration.