Business Details
We founded Tamarack Grove in 2003 to address a critical industry need and lead with purpose. Our client-centric approach to structural engineering, design, and problem-solving distinguishes us in the marketplace. We hold professional engineering licenses across all 50 U.S. states, Washington D.C., and multiple U.S. territories. Our team maintains licensure in ten Canadian provinces and operates internationally across four continents. We employ 49 licensed Professional Engineers in the United States and 10 Professional Engineers in Canada. Five of our engineers hold Structural Engineering licenses in California, Hawaii, Idaho, Illinois, and Oregon. We prioritize building authentic relationships that create a greater experience for both clients and our people.
Our core values of Relationships, Joy, Servant Leadership, Integrity, Respect, and Go Beyond guide every decision. We invest in future generations through community initiatives like Sleep in Heavenly Peace and highway cleanups. Our leadership team includes CEO Brian Sielaff and President Doug Hardin, both licensed Professional Engineers. We foster a joyful work environment that supports professional and personal growth for every team member. We serve clients through collaborative, solution-oriented structural engineering services with steady, purposeful growth.
Our core values of Relationships, Joy, Servant Leadership, Integrity, Respect, and Go Beyond guide every decision. We invest in future generations through community initiatives like Sleep in Heavenly Peace and highway cleanups. Our leadership team includes CEO Brian Sielaff and President Doug Hardin, both licensed Professional Engineers. We foster a joyful work environment that supports professional and personal growth for every team member. We serve clients through collaborative, solution-oriented structural engineering services with steady, purposeful growth.
Highlights and features
- We hold 49 U.S. Professional Engineering licenses nationwide.
- We maintain Structural Engineering licenses in five states.
- We are licensed in ten Canadian provinces.
- We have served clients since 2003 with purpose.
- Our core values drive every engineering decision.
Services
Structural Engineering
Our structural engineering services address complex building and infrastructure challenges across all 50 U.S. states and ten Canadian provinces. We deploy 49 licensed Professional Engineers and five Structural Engineers to deliver code-compliant, innovative solutions. Clients receive collaborative, problem-solving expertise tailored to project-specific requirements and jurisdictional regulations.
Structural Design
Our structural design services integrate client-centric problem-solving with technical excellence for diverse commercial and residential projects. Licensed engineers in California, Hawaii, Idaho, Illinois, and Oregon provide specialized Structural Engineering expertise for high-seismic regions. We ensure design integrity through servant leadership values and rigorous quality assurance processes.
Engineering Problem-Solving
Our engineering problem-solving approach resolves complex structural challenges through collaborative analysis and innovative design alternatives. We serve clients internationally across Asia, South America, Africa, and Europe with consistent technical standards. Every solution reflects our commitment to relationships, integrity, and going beyond minimum code requirements.
Multi-Jurisdictional Licensing
Our multi-jurisdictional licensing capability covers all 50 U.S. states, Washington D.C., Guam, Puerto Rico, the Virgin Islands, and the Bahamas. We hold ten Canadian provincial licenses enabling seamless project execution across North America. This expansive licensure portfolio eliminates regulatory barriers for clients with geographically diverse project portfolios.
