Top 10 Biggest Companies in Maine

Do you aspire to work for the biggest companies in Maine? Well, finding the right company that fits your needs isn’t that easy. While there are some popular companies you may have heard of, they’re still other great companies with headquarters in Maine that you’re not aware of.

In this post, we’ve discussed 10 of the biggest companies in Maine, ranked based on the number of employees, as shown below:

1. Support Enforcement & Recovery

This ranks among the biggest companies in Maine. With a total of 13,420 employees, this happens to be among the highest number of employees for a single organization in Maine.

Support Enforcement & Recovery is based in Augusta, where it offers several services, including the proper management of child support and expenses.

2. Mainehealth

Maine medical center is a non-profit healthcare organization situated in Portland, Maine. It is among the top integrated health care distribution networks in the country employing over 13,400 people.

Mainehealth is among the biggest Companies in Maine, working with affiliates, such as Mid Coast Hospital in Brunswick, LincolnHealth – St. Andrews Campus, and New England Rehabilitation Hospital, Portland, among others. These networks offer a number of care and medical services to people across the region like hospice services, child care, and specialized treatment.

This organization is also among the top-earning companies in Maine with a revenue of $5.5B.

3. L.L.Bean

This is a privately owned American retail company with its headquarters in Freeport, Marine. The company manufactures high-quality wear and outdoor recreation equipment.

L.L.Bean ranks among the biggest Companies in Maine and a top employer in the retail industry. The firm has employed 9,266 staff who are mostly graduates from the University of Southern Maine. The firm also competes favorably against its close competitors as it makes an annual revenue of $1.6B.

4. University of Maine System

Located in Bangor, Maine, the University of Maine System is the largest educational institution in the state. The university offers several courses both onsite and online.

USM, as is popularly known, has a great contribution to the education industry. It has an enrolment of at least 30, 000 students each academic year. The university also employs a whopping 8000 employees. And with revenue of $155m, the University ranks among the top-earning educational institutions in the region.

5. Army National Guard

The Army National Guard is a federal military reserve force of the US Army. The National Guard has its headquarters in Houlton, Maine. Its main role is to serve the community by responding to domestic disasters, engage in reconstruction missions, and training peacekeepers locally, among other duties.

Army National Guard is one of the top employers in the national security industry, employing around 7000 people. Their employees earn an annual average salary of $48,477

6. Idexx Laboratories

IDEXX Laboratories, Inc. is an American company operating in the Medical Diagnostics and Research industry. It makes products and offers services to different markets, including livestock, poultry, water testing as well as animal veterinary services.

The company’s headquarter is stationed in Westbrook, Maine, where the majority of its over 7,000 employees come from. IDEXX makes a revenue of $2.0B.

7. Hannaford Supermarkets

Employing about 5410 people, Hannaford Supermarkets is one of the biggest employers in the retail industry for Maine residents. The supermarket chain is located in Scarborough, Maine. However, it also operates in other areas, including New England and New York. The company offers several products and services, such as pharmacy services, grocery, food and beverage, among others.

Hannaford supermarkets make an average of $35.0M per year.

8. Maine is the official site for the state government of Maine. It provides services such as tax information, licenses, and permits as well as business and corporate services.

The capital of is in Augusta and it employs about 4140 people. Most of the employees earn an average annual salary of $37,302.

9. Cianbro

Cianbro is an American employee-owned company operating in the health and safety industry. The company is based in Pittsfield, Maine, and provides innovative construction and construction services to clients across North America.

Currently, Cianbro has a total of 4000 employees. While the company encourages women and minorities to apply for their vacancies, the number is still low.

The company posts impressive numbers for its size, as it records a yearly revenue of $375M.

10. WEX Inc.

Wex Inc. is a company that offers simple solutions to complex payment processing systems in various industries, including the vehicle fleet industry, healthcare, and corporate industries.  

While the company has its headquarters in South Portland, Maine, it offers its services across different countries such as Canada, Europe, Australia, and Asia. Currently, Wex Inc. is among the biggest companies in Maine operating in the IT service management industry with yearly revenue of about $1.3B.

The number of employees at Wex Inc. stands at 3500.


Maine has some of the biggest companies across different industries. Select the best company from the list that operates within your industry and get an opportunity to work for the top companies in Marine.

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