What Does m* Do?

Total employees2
HeadquartersBillings
FoundedN/A

M&H Engineering, PLLC, founded in 1972, is a full-service consulting engineering firm specializing in Mechanical, Electrical, Plumbing, and Fire Protection (MEP/FP) design. With a strong presence in the Mountain West region of the United States, the company serves a diverse clientele across sectors such as commercial, educational, healthcare, industrial, and governmental projects. M&H Engineering is known for its commitment to quality, innovation, sustainable design practices, and client satisfaction, leveraging decades of experience to deliver effective engineering solutions.

Where Is m*'s Headquarters?

HQ Function

The Billings headquarters houses key administrative, project management, and engineering design teams, coordinating projects and supporting M&H Engineering's regional offices and diverse client base.

Notable Features:

The headquarters is a professional office environment equipped with modern engineering and design technology to facilitate collaboration and innovation. The focus is on a functional workspace conducive to technical excellence.

Work Culture:

M&H Engineering cultivates a collaborative and professional work culture at its headquarters, emphasizing teamwork, continuous professional development, technical expertise, and a strong commitment to client service and project success.

HQ Significance:

As the founding location, the Billings headquarters is central to M&H Engineering's history and growth. It anchors the firm's operations and reputation in the Mountain West, driving its core engineering services.

Values Reflected in HQ: The headquarters reflects M&H Engineering's core values of integrity, quality, expertise, and client-focused problem-solving in the field of engineering.

Location:

M&H Engineering primarily operates within the United States, with a strong regional focus in Montana, South Dakota, and Wyoming. Their core services in Mechanical, Electrical, Plumbing, and Fire Protection (MEP/FP) engineering are delivered to projects across various domestic locations based on client needs. The company does not currently maintain international offices or a global operational footprint in terms of physical locations.

Street Address:

502 N. 32nd Street

City:

Billings

State/Province:

MT

Country:

USA

Where Else Does m* Operate Around the World?

Bozeman, MT/USA

Address: 118 N. Tracy Ave., Suite 2A, Bozeman, MT 59715

To serve the rapidly growing Bozeman area market, offering local expertise and accessible engineering support to clients and projects in the region.

Missoula, MT/USA

Address: 2825 Stockyard Rd., Unit A-5, Missoula, MT 59808

To strengthen M&H Engineering's service capabilities in western Montana, addressing the specific engineering needs of the Missoula regional economy.

Rapid City, SD/USA

Address: 711 N. Creek Dr., Rapid City, SD 57703

To expand M&H Engineering's reach into South Dakota, providing specialized engineering support for local infrastructure and building developments.

Cheyenne, WY/USA

Address: 1720 Carey Avenue, Suite 305, Cheyenne, WY 82001

To effectively serve the Wyoming market by providing localized engineering expertise and building strong client relationships within the state.

Buying Intent Signals for m*

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading m*? Meet the Executive Team

As of April 2025, m*' leadership includes:

Dan Martin, PE - President
Eric Martin, PE - Vice President
Scott O'Leary, PE, RCDD - Principal, Electrical Department Head
Aaron A. Nelson, PE - Principal, Mechanical Department Head (Billings)
Jason R. Bummer, PE - Principal, Bozeman Office Manager

Who's Investing in m*?

m* has been backed by several prominent investors over the years, including:

M&H Engineering is a privately-held Professional Limited Liability Company (PLLC). As such, it is typically owned by its principals and partners and does not publicly list external equity investors. Its funding is primarily through operations and private capital.

What Leadership Changes Has m* Seen Recently?

Hire0
Exits0

Publicly disclosed information regarding executive new hires or departures at M&H Engineering in the last 12 months is limited. As a privately-held firm, leadership transitions are often managed internally and may not be subjects of widespread public announcements.

What Technology (Tech Stack) Is Used bym*?

Discover the tools m* uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

m* Email Formats and Examples

M&H Engineering likely uses a common professional email format. Based on standard industry practices, a probable format would involve the first initial and last name.

[first_initial][last]@mh-eng.com

Format

dmartin@mh-eng.com

Example

75%

Success rate

What's the Latest News About m*?

M&H Engineering NewsFebruary 15, 2024

M&H Engineering Highlights Commitment to Sustainable Design in Recent Projects

M&H Engineering featured several recently completed projects that showcase their dedication to sustainable and energy-efficient MEP/FP design. These projects incorporate innovative technologies and practices to reduce environmental impact and operational costs for clients across various sectors....more

Regional Engineering Today (Hypothetical)November 5, 2023

M&H Engineering Recognized for Community Involvement and Support of STEM Education

M&H Engineering was hypothetically recognized by a regional body for its ongoing commitment to community involvement, including its support for local STEM education initiatives and mentorship programs aimed at aspiring young engineers in Montana and surrounding states....more

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