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Ulteig is a client-centered engineering and technical services firm, established in 1944, dedicated to transforming vital infrastructure for a sustainable future. We specialize in comprehensive solutions across the Lifeline Sectors® of power, renewables, transportation, and water. In 2017, Ulteig acquired Affinity Energy, a prominent control systems integrator, significantly enhancing our capabilities in power system automation, substation integration, and critical facility power systems. This integration allows Ulteig to offer more robust end-to-end solutions, particularly in the energy sector, leveraging Affinity Energy's legacy expertise in SCADA, PLC programming, and mission-critical power. Ulteig is an employee-owned company (ESOP), fostering a culture of ownership, innovation, and commitment to client success across North America.
Serves as the corporate hub, housing executive leadership, central administrative functions, and core engineering and project management teams. It supports operations across all company sectors and national offices.
Modern office facility designed to promote collaboration, employee well-being, and innovative engineering solutions. Likely incorporates energy-efficient systems reflecting Ulteig's commitment to sustainability.
Ulteig fosters an employee-owned (ESOP) culture that emphasizes collaboration, technical excellence, client-centricity, and community engagement. Employees are empowered as owners, contributing to a dynamic and rewarding work environment.
The Fargo headquarters is central to Ulteig's identity and long-standing history. It acts as the strategic center for coordinating nationwide operations and driving the company's mission in critical infrastructure sectors.
While Ulteig's physical offices are predominantly located within the United States, the company serves clients and undertakes projects across North America, including Canada. Its specialized expertise in areas such as renewable energy integration, grid modernization, and critical power systems can be applied to international projects, often through strategic partnerships or direct consultation. Ulteig supports global clients by delivering high-value engineering and technical services for complex infrastructure challenges, utilizing remote collaboration tools and deploying specialized teams as needed.
3350 38th Avenue South
Fargo
ND
USA
Address: 7000 E. Belleview Ave., Suite 300, Greenwood Village, CO 80111
Supports the significant growth in energy and infrastructure development in Colorado and surrounding states, with a particular focus on renewable energy integration and grid modernization.
Address: 2250 University Ave W, Suite 300, St. Paul, MN 55114
Serves a diverse client base across Minnesota and neighboring states, contributing to essential infrastructure projects and supporting the region's economic vitality.
Address: 9442 N Capital of Texas Hwy, Plaza I, Suite 750, Austin, TX 78759
Addresses the high demand for energy infrastructure development in Texas, a leading state for renewable energy production and technological innovation in the energy sector.
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As of April 2025, Ulteig' leadership includes:
Ulteig has been backed by several prominent investors over the years, including:
Ulteig has focused on strengthening its leadership team over the past year with key strategic appointments to drive growth in its core markets. The company prioritizes maintaining a robust and stable executive team to guide its mission.
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Ulteig typically uses a standard professional email format for its employees. The most common structure is combining the employee's first name and last name, separated by a period.
firstname.lastname@ulteig.com
Format
john.doe@ulteig.com
Example
85%
Success rate
GlobeNewswire • March 5, 2024
Ulteig and Camus Energy announced a strategic partnership to provide utilities with advanced grid management solutions. This collaboration combines Ulteig's deep engineering expertise with Camus Energy's innovative software platform to enhance utility operations and facilitate the integration of distributed energy resources (DERs)....more
Ulteig Website News • June 26, 2023
Ulteig announced the appointment of Aaron Lauinger to the role of Senior Vice President of Power. In this position, Lauinger will lead strategic growth initiatives and ensure operational excellence for Ulteig’s largest Lifeline Sector®, Power....more
Ulteig Website News • May 22, 2023
Ulteig proudly announced its inclusion in Engineering News-Record's (ENR) prestigious list of the Top 500 Design Firms in the United States for the 16th year in a row. This recognition underscores Ulteig's consistent performance, growth, and standing as a leading firm in the engineering industry....more
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