| # | Company | Employees |
|---|---|---|
| 1 |
Pilot Catastrophe Servicespilotcat.com
The company is dedicated to providing quality service in the claims process, driving innovation in the industry, and giving back to communities |
3,992 |
| 2 |
University of South Alabamasouthalabama.edu
A global research and teaching university offering quality education in various fields, small class sizes, hands-on research opportunities, state-of-the-art facilities, and Division I athletic teams |
3,384 |
| 3 |
CPSItrubridge.com
A leading provider of healthcare solutions and services for community hospitals, clinics, and post-acute care facilities, focusing on improving patient care, engagement, and financial operations |
2,890 |
| 4 |
Mobile County Public School Systemmcpss.com
The Mobile County Public School System aims for excellence, offering a variety of pathways to academic and career success for all students |
2,715 |
| 5 |
TruBridgetrubridge.com
Healthcare solutions company providing EHR-agnostic Revenue Cycle Management solutions for organizations of all sizes, specializing in acute EHR technology for smaller hospitals |
2,197 |
| 6 |
Hargrove Engineers & Constructorshargrove-epc.com
A full-service firm providing engineering, procurement, construction management, project management, controls & automation, and technical services to energy, manufacturing, and industrial clients nationwide |
1,954 |
| 7 |
Whiddon College of Medicine at the University of South Alabamausahealthsystem.com
Academic health center offering exceptional educational opportunities for training physicians and scientists in various fields of human biology and healthcare |
1,729 |
| 8 |
USA Healthusahealthsystem.com
Medical care, education, and research provider in Mobile and surrounding areas, offering advanced treatments, clinics, hospitals, and training programs for healthcare professionals |
1,563 |
| 9 |
Infirmary Healthinfirmaryhealth.org
Leading healthcare system in Alabama with multiple hospitals, clinics, diagnostic centers, and emergency departments serving a large region Offering various medical services and career opportunities |
1,420 |
| 10 |
Volkert, Inc.volkert.com
A long-standing engineering firm providing design services in transportation, aviation, construction, public works, utilities, property acquisition, and environmental engineering |
1,265 |
| 11 |
Austal USAaustalusa.com
A ship manufacturer with state-of-the-art facilities in Alabama, California, and Singapore, specializing in aluminum and steel ships for military and commercial clients |
1,116 |
| 12 |
Springhill Medical Centerspringhillmedicalcenter.com
A full-service hospital in southwest Alabama offering surgical, diagnostic, and specialized medical services including heart, cancer, orthopaedic, wound care, and emergency care |
1,018 |
| 13 |
PCH Hotels & Resortspchresorts.com
Hospitality management company in Alabama with multiple Marriott properties, an Autograph Collection resort, an IHG property, and an Outlet Shop Owned by Retirement Systems of Alabama |
958 |
| 14 |
City of Mobile, ALcityofmobile.gov
The company promotes innovation, growth, and diverse culture in Mobile, Alabama, the birthplace of Mardi Gras and a thriving city |
848 |
| 15 |
The Hiller Companieshillerfire.com
This company provides fire protection products, services, and inspections globally, safeguarding a wide range of industries and offering various safety equipment |
837 |
| 16 |
AltaPointe Health Systemsaltapointe.org
A large healthcare system in Alabama providing primary and behavioral healthcare, including a Federally Qualified Health Center, psychiatric hospitals, and outpatient clinics |
832 |
| 17 |
Murphy High School (MCPSS)mhspanthers.com
Prepares high school students academically for college and career readiness |
799 |
| 18 |
Nations Roofnationsroof.com
Nations Roof provides commercial roofing solutions, including maintenance, replacements, green services, and 24/7 emergency assistance, prioritizing quality, safety, and customer service |
651 |
| 19 |
The Learning Tree, Inc.learning-tree.org
Provider of services for children with developmental disabilities, ages 2-21, specializing in autism, operating in the state of Alabama |
638 |
| 20 |
Uniti Fiberuniti.com
Uniti Fiber, a subsidiary of Uniti Group, offers infrastructure solutions such as cell site backhaul, small cell, Ethernet, Wavelengths, and Dark Fiber for telecom operators and enterprises |
627 |
| 21 |
University of South Alabamasouthalabama.edu
A comprehensive university offering quality education in various fields, with a focus on student success, research opportunities, athletic programs, and healthcare services |
543 |
| 22 |
Spring Hill Collegeshc.edu
A premier Jesuit and Catholic college offering liberal arts education, diverse majors, student clubs, community service, and international experiences |
515 |
| 23 |
The SSI Group, LLCthessigroup.com
A trusted partner in healthcare revenue cycle management, providing solutions for patient access, claims management, performance management, and integrated analytics |
502 |
| 24 |
Norton Lilly Internationalnortonlilly.com
A leading ship agency providing logistics, brokerage, vessel planning, and marine services with a long-standing history in the industry |
489 |
| 25 |
Thompson Engineeringthompsonengineering.com
Employee-owned engineering firm with multiple offices offering innovative engineering solutions in various disciplines, with a commitment to clients, employees, and communities |
475 |
| 26 |
Roberts Brothers, Inc.robertsbrothers.com
A leading real estate company in South Alabama with over 74 years of experience, offering superior service, specialized property divisions, and national relocation services |
453 |
| 27 |
Infirmary Health System Incinfirmaryhealthsystem.com
A leading healthcare system in Alabama with five hospitals, three post-acute facilities, physician clinics, diagnostic centers, and more, serving south Alabama and north Escambia County |
432 |
| 28 |
Gulf Distributing Holdings LLCgulfdistributing.com
A beverage distribution company based in Mobile, Alabama, managing 7 distributors across Alabama, Florida, and Mississippi, servicing over 10,000 retail accounts |
404 |
| 29 |
University of Mobileumobile.edu
A Christ-centered liberal arts university in Alabama offering bachelor's and master's degree programs on campus and online in various fields of study |
401 |
| 30 |
USA Health Children's & Women's Hospitalusahealthsystem.com
The company provides advanced care for women and children, including neonatal intensive care, specialized treatments, and a family-centered approach |
381 |
| 31 |
CNC Catastrophe & National Claimsadjustingexpectations.com
Specializing in insurance claims services since 1988, CNC provides a range of services including claims allocation, IT infrastructure, forensic engineering, and TPA services for insurance carriers |
359 |
| 32 |
Providence Hospital Mobilehealthcare.ascension.org
A full-service medical facility part of a larger organization dedicated to providing compassionate, personalized care to those in need |
351 |
| 33 |
Mobile County Health Departmentmchd.org
Promoting community health and safety by offering comprehensive care teams and advocating for health policies in Mobile County |
313 |
| 34 |
Hackbarth Delivery Service, Inc.hackbarthdelivery.com
A transportation and logistics company offering last mile delivery, warehousing, and distribution services with a focus on customer service and technological innovation |
278 |
| 35 |
The Cooper Groupthecoopergroup.com
A diversified company with operations in the US, Brazil, and Mexico, offering services in warehousing, terminal operations, vessel repair, and more |
215 |
| 36 |
Threaded Fasteners, Inc.threadedfasteners.com
This company specializes in manufacturing, custom packaging, and distributing high quality steel fasteners for various industries across multiple distribution warehouses |
202 |
| 37 |
Hand Arendall Harrison Sale LLChandfirm.com
Providing comprehensive legal services in various practice areas to support clients' business success with a team of over 85 attorneys across Alabama and Florida |
186 |
| 38 |
Alabama Port Authorityalports.com
The company operates public, deep-water port facilities at the Port of Mobile, handling millions of tons of cargo annually with access to various transportation networks |
183 |
| 39 |
Continental Motors, Inc.continental.aero
Global leader in general aviation offering AvGas and Jet-A piston engines, MRO services, PT6 overhaul, avionics, and interiors Serving OEMs, flight schools, and pilots worldwide |
174 |
| 40 |
Industrial Valve Sales & Serviceindvalve.com
A leader in industrial valve service and solutions for over 48 years, providing exceptional customer service and innovative technology in multiple sectors |
165 |
| 41 |
Saad Healthcaresaadhealthcare.com
Provider of comprehensive home healthcare services along the Gulf Coast for patients with various healthcare needs, offering therapy, medical equipment, supplies, and daily assistance |
164 |
| 42 |
U.S. Army Corps of Engineers, Mobile Districtsam.usace.army.mil
A team of 37,000 civilians and soldiers providing engineering services worldwide, focusing on infrastructure, military facilities, environmental sustainability, and disaster risk reduction |
164 |
| 43 |
The American Equity Underwriters, Inc.amequity.com
Specializing in longshore insurance, the company is a program administrator providing USL&H coverage, state act workers' compensation coverage, and maritime employers' liability services |
163 |
| 44 |
AVAmovewithava.com
Offering innovative moving solutions to improve customer experiences and simplify the relocation process, with a focus on Multi-Dwelling Unit interactions in various markets |
163 |
| 45 |
The Orthopaedic Group, PCtheorthogroup.com
Orthopaedic Group provides specialized care in treating orthopaedic problems with experienced physicians and a dedication to helping patients return to a healthy lifestyle |
163 |
| 46 |
AAA USAaaa-usainc.com
A specialized subcontracting company based in Mobile, Alabama, offering in-situ manufacturing services tailored to aerospace and ground transportation OEMs, focusing on technical skills and local jobs |
162 |
| 47 |
Safety Plussafetyplus.io
The company offers services and software solutions to empower businesses to protect employees while maintaining efficiency and cost-effectiveness |
161 |
| 48 |
SMITH INDUSTRIAL SERVICESsmithind.com
A company based in Mobile, AL that specializes in industrial services |
161 |
| 49 |
UROLOGY ASSOCIATESuampa.com
Specializing in urology care, our team of expert professionals provide compassionate and high-quality treatment to patients across multiple office locations |
151 |
| 50 |
Cooper Marinecooper-marine.com
A company based in Mobile, Alabama offers marine transportation along the Tennessee-Tombigbee River and Gulf Intracoastal Waterway, in addition to stevedoring services at the Port of Mobile |
147 |
| 51 |
MYER Companiesmyercompanies.com
Family-owned metal fabrication, machining, and field services company with state-of-the-art facilities, experienced management, and a focus on quality and customer service |
58 |
| 52 |
DK-LOK庐 USAdklokusa.com
Supplier of high-quality tube fittings, valves, manifolds, quick connects, and gauges for various industries with a focus on precision and leak-tight seals |
42 |
| 53 |
Marine and Industrial Supplymarineandindustrial.com
A regional leader in lifting & rigging products, offering brand name & custom fabrication, engineered lift planning, load testing, inspection, and spooling services |
33 |
| 54 |
Bell and Company Since 1955bellandco.net
Manufactures representative and distributor for engineered products in Industrial, Mechanical, and Marine industries, offering product support, technical services, and a wide range of products |
21 |
| 55 |
Sanders Hyland Corporationsandershyland.com
A full-service commercial flooring contractor specializing in a wide range of flooring options including industrial, marble, custom wood, carpet, and FDA approved flooring systems |
18 |
| 56 |
REEL USA CORPreelinternational.com
Electrical and mechanical manufacturing and servicing company headquartered in Mobile, Alabama, specializing in a wide range of products and solutions |
11 |
| 57 |
P&G MACHINE & SUPPLY Company Incpggears.com
A service-driven sales and manufacturing company providing mechanical power transmission products as a distributor and offering specialty machine shop services |
8 |
| 58 |
Grayson Air Conditioninggraysonairconditioning.com
The company specializes in installing high-quality air conditioning systems with professional service and a commitment to customer satisfaction |
5 |
| 59 |
TurkReno Website Designturkreno.com
Innovative technology company dedicated to exceeding client expectations, providing tailored solutions, and focusing on long-term goals for sustainable success |
1 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668