Whitten & Borges PC, (formerly R.P. Whitten Associates) was established in 1976 in Billings, Montana. We are a professional engineering company specializing in the structural design of commercial & public buildings, industrial facilities, custom homes, industrial tanks and silos throughout the western United States. Our projects include new construction, restoration, preservation, investigations and cost estimating.

Our staff consists of three licensed engineers and one draftsman. Our combined experience in structural engineering exceeds 50 years. Through design projects in diverse areas of the country, we have successfully designed to meet the challenges of high earthquake loads, extreme snow loads, hurricane force wind loads, and numerous project sites with poor soil conditions.
We use structural analysis software developed in-house to supplement commercial programs. We also run RAM Analysis, RISA-3D, and IES Visual Analysis. Experienced engineering judgment and state-of-the-art software is used to achieve the best, most cost effective solutions that seamlessly interface with the clients overall project. Illustration and drafting work is prepared using the latest version of AutoCAD. We maintain up-to-date knowledge of the latest advances in codes, structural materials, and computer technology.  In order to remain at the highest level of competence, we provide continuing education courses and seminars for our staff.
Our engineers are licensed to provide professional engineering services in the Pacific Northwest (WA, OR, ID AK), the Rocky Mountains (MT, WY, CO, UT), the Southwest (AZ, NM, TX, CA), the Midwest (ND, SD, NE, IA, KS, MN, WI, IN), and the Northeast (PA). We have on our staff a LEED-accredited professional to assist with sustainability issues. We carry $1,000,000 in professional liability insurance.
At Whitten & Borges, we have the best clients, and we take great pride in our ability to provide innovative design solutions that meet our clients’ schedule and budget. We are very proud of our solid reputation as a practical, efficient, client-oriented design firm.