This selection of large Florida-based organizations is dominated by governmental bodies, including Hillsborough County, which manages programs and services, and Orange County Government, focused on community involvement. Utilities such as JEA, providing electric, water, and sewer services in Jacksonville, and Orlando Utilities Commission, offering electric and water services, are also prominent. Waste Pro USA, a company in the solid waste industry, and Valet Living, a national provider of doorstep waste collection, are also featured.
The headquarters of these organizations are distributed across various cities in Florida, with significant clusters in Tampa and Orlando. The list primarily consists of well-established entities, with many founded in the 19th or early 20th century, indicating a long-standing presence in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Hillsborough Countyhcfl.gov
This company is the official LinkedIn page for Hillsborough County, Florida Government, providing information on programs, services, and events in the area |
4,595 | |||
| 2 |
Orange County Governmentocfl.net
Serve citizens and guests with integrity, fairness, and professionalism while promoting transparency, accountability, and community involvement in governance. |
4,015 | |||
| 3 |
City of Orlandoorlando.gov
Delivering public services focused on sustainability, safety, economic growth, transportation, and homelessness reduction to improve community quality of life. |
2,457 | |||
| 4 |
Lee Countyleegov.com
Local government providing public services, employment opportunities, and community support to residents and visitors in a growing county. |
2,185 | |||
| 5 | 2,126 | ||||
| 6 |
City of Tampatampa.gov
The company is based in Tampa, Florida, and plays a key role in the city's diverse economy by working with businesses, government, and citizens to improve the community |
2,117 | |||
| 7 |
Pinellas County Governmentpinellas.gov
This organization provides career opportunities with competitive pay, benefits, and a focus on making a positive impact in the community |
1,929 | |||
| 8 |
Waste Pro USAwasteprousa.com
A rapidly growing company in the solid waste industry, providing collection, recycling, processing, and disposal services across eight southeastern states |
1,869 | |||
| 9 |
City of Tallahasseetalgov.com
Local government providing public services, promoting community well-being, supporting economic and educational growth, protecting natural resources, and fostering diversity and equity. |
1,855 | |||
| 10 |
Verdantasverdantas.com
Verdantas blends engineering, environmental science, and advanced technology to provide forward-thinking solutions for a sustainable future through a people-focused approach |
1,790 | |||
| 11 |
Valet Livingvaletliving.com
National provider of doorstep waste collection, recycling, and premium home services for multifamily housing across 40 states. |
1,747 | |||
| 12 |
Collier County Governmentcolliercountyfl.gov
A governmental body in Collier County, Florida providing high-quality public services, programs, and facilities to residents, visitors, and businesses for a better community |
1,327 | |||
| 13 |
Manatee County Government, Work That Mattersmymanatee.org
Providing essential public services and support to residents, businesses, and visitors, enhancing quality of life in Manatee County. |
1,296 | |||
| 14 |
County of Volusiavolusia.org
Providing responsive, fiscally responsible health, safety, and quality of life services to support a resource-rich community for residents. |
1,286 | |||
| 15 |
Orlando Utilities Commission (OUC - The Reliable One)ouc.com
A municipally-owned utility providing electric, water, and lighting services to residents in Orlando, Florida, St Cloud, and surrounding areas |
1,115 | |||
| 16 |
South Florida Water Management Districtsfwmd.gov
A regional government agency in South Florida managing and protecting water resources in 16 counties, focusing on flood control, water quality, natural systems, and water supply |
1,071 | |||
| 17 |
City of Gainesvillegainesvillefl.gov
Provides municipal services including transit, airport, utilities, and recreational facilities, supporting a vibrant community and regional economy. |
916 | |||
| 18 |
Advanced Disposal Services, Inc.wm.com
Provider of waste management and environmental services in North America, including collection, transfer, disposal, recycling, and landfill gas-to-energy facilities Serving residential, commercial, industrial, and municipal customers |
895 | |||
| 19 |
City of Cape Coralcapecoral.gov
Southwest Florida's largest city, boasting 200,000 residents, offering over 400 miles of canals for various water activities in a beautiful coastal setting |
772 | |||
| 20 |
City of Boca Ratonmyboca.us
A full-service city offering ideal living, working, learning, and recreational opportunities with beautiful parks, low crime and tax rates, thriving businesses, and top-rated schools |
719 | |||
| 21 |
Water Resource Department
Government administration department located in Sebastian, Florida, specializing in managing water resources |
661 | |||
| 22 |
City of Coral Springscoralsprings.gov
A South Florida community offering quality schools, parks, and athletic programs, with a focus on creating a family-friendly, active lifestyle and business-friendly environment in a modern, planned city |
660 | |||
| 23 |
Culligan Waterculligan.com
Aiming to provide improved water quality to the community while also prioritizing sustainability and building a better world |
655 | |||
| 24 |
0eeandg.com
An established environmental services provider offering a wide range of contracting services including abatement, remediation, restoration, and construction with national recognition and quality customer service |
621 | |||
| 25 |
Gainesville Regional Utilitiesgru.com
Provides electric, water, wastewater, natural gas, and telecommunications services as a city-owned multi-utility in Florida. |
618 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
City of Port St. Luciecityofpsl.com
providing infrastructure, fostering community growth, supporting diverse population, promoting quality of life, and celebrating local culture and opportunities |
616 | |||
| 27 |
St. Johns Countysjcfl.us
St Johns County, Florida is a vibrant area with a rich history, beautiful beaches, and fast-growing job opportunities for its residents |
544 | |||
| 28 |
Okaloosa Countymyokaloosa.com
A diverse community in Northwest Florida offering a wide range of services and departments, including corrections, public safety, planning, and more |
524 | |||
| 29 |
The City of Miramar, Floridamiramarfl.gov
A vibrant and diverse city in southeast Florida, serving as a key gateway to trade with Latin America and the Caribbean |
523 | |||
| 30 |
City of Largolargo.com
The company is located in Largo, offering affordable living, green spaces, and community engagement to promote a high quality of life in Tampa Bay |
513 | |||
| 31 |
Southwest Florida Water Management Districtswfwmd.state.fl.us
The company manages and protects water resources, implements water use permits, regulates withdrawals, and assists in developing new water sources |
504 | |||
| 32 |
St. Johns River Water Management Districtsjrwmd.com
Manage water resources in Florida through groundwater and surface water management, water quality protection, natural systems preservation, and flood prevention |
501 | |||
| 33 |
City of Sunrisesunrisefl.gov
The City of Sunrise in Broward County offers a vibrant and sustainable community with quality-of-life facilities and superior city services |
484 | |||
| 34 |
City of Sarasotasarasotafl.gov
Delivers essential public services including water management, sewer systems, street maintenance, and police protection to fifty-five thousand residents with excellence and pride. |
441 | |||
| 35 |
Coastal Waste & Recycling, Inccoastalwasteinc.com
A locally operated solid waste disposal and recycling company, focused on delivering customized, professional, and reliable services within the region |
439 | |||
| 36 |
Sweeping Corporation of Americasweepingcorp.com
Leading provider of power sweeping and jetvac services across 21 states, offering environmental solutions to reduce pollution for DOTs, municipalities, and businesses |
408 | |||
| 37 |
City of Kissimmeekissimmee.gov
Established in 1883, a municipal corporation serving a community of over 60,000 residents with public safety, urban, and utility services |
396 | |||
| 38 |
SEARCHsearchinc.com
Global leader in archaeology and cultural heritage services, specializing in maritime archaeology, historic shipwrecks, and deep-water archaeology worldwide since 1993 |
389 | |||
| 39 |
US Water Services Corporationuswatercorp.com
A privately held water and wastewater services corporation in the USA, providing operations, maintenance, and customer service to over 1,000 utility systems |
387 | |||
| 40 |
Parkson Corporationparkson.com
Supplier of innovative solutions for water treatment in various industries Culturally diverse organization with headquarters in Florida and offices in Chicago, Kansas City, and Denver |
385 | |||
| 41 |
City of Melbournemelbourneflorida.org
Provision of comprehensive municipal services including public safety, parks, infrastructure maintenance, water treatment, community planning, and airport operations. |
379 | |||
| 42 |
Leon County Governmentcms.leoncountyfl.gov
A political subdivision in Florida's capital, Leon County is governed by an elected Board of County Commissioners overseeing policies and directives |
369 | |||
| 43 |
City of Winter Parkcityofwinterpark.org
Promoting the high quality of life in Winter Park, Fla, through its rich heritage, sense of community, parks, diverse economy, and beautiful lakes |
341 | |||
| 44 |
City of Riviera Beachrivierabch.com
Riviera Beach is a waterfront city in Southeast Florida with a thriving community, beautiful beaches, and attractions for residents and tourists |
328 | |||
| 45 |
City of Palm Coastpalmcoast.gov
Manages a Florida city, providing public services through various departments like public works, parks, and finance to its growing population. |
325 | |||
| 46 |
City of North Port Floridanorthportfl.gov
The City of North Port in southwest Florida offers opportunities for businesses and families in a vibrant, youthful community with unlimited potential |
311 | |||
| 47 |
Flagler County Governmentflaglercounty.gov
Providing diverse public services including emergency, IT, parks, social services, and infrastructure to support community growth and quality of life. |
307 | |||
| 48 |
City of Homesteadhomesteadfl.gov
The company is involved in revitalizing the Historic Downtown area of Homestead, Florida through public and private projects and partnerships |
278 | |||
| 49 |
City of Dunedindunedin.gov
This company is located in a vibrant Main Street city, offering retail, dining, breweries, events, and a wide range of city services |
235 | |||
| 50 |
Central Florida Tourism Oversight Districtoversightdistrict.org
A tourism oversight district in Central Florida servicing major landowners, including Walt Disney Co, with various infrastructure and environmental facilities |
235 | |||
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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 Nov 12, 2026.
More company lists in Florida
- The largest companies in Florida 5,628
- Multinational companies in Florida 897
- Retail chains in Florida 443
- Financial services firms in Florida 423
- IT Services and IT Consulting companies in Florida 376
- Professional services firms in Florida 375
- Healthcare providers in Florida 361
- Hospitals and Health Care companies in Florida 352
- Critical infrastructure operators in Florida 321
- IT services companies in Florida 321
- Financial Services companies in Florida 303
- Companies with a mobile app in Florida 284
- Real Estate companies in Florida 284
- Manufacturers in Florida 274
- SaaS companies in Florida 271
- Education providers in Florida 259
- Hotel and hospitality groups in Florida 259
- Software Development companies in Florida 226
- Companies with in-house R&D in Florida 221
- Insurance companies in Florida 205
- Subscription businesses in Florida 202
- Consulting firms in Florida 186
- Corporate groups and holding companies in Florida 182
- Hardware manufacturers in Florida 178
The same list elsewhere in United States
- Environmental services companies in Texas 98
- Environmental services companies in California 95
- Environmental services companies in New York State 39
- Environmental services companies in North Carolina 37
- Environmental services companies in Pennsylvania 35
- Environmental services companies in Illinois 34
- Environmental services companies in Washington State 29
- Environmental services companies in Ohio 26
- Environmental services companies in Alabama 25