Business Name | Nature of Business | Employee # 2020 |
| Healthcare | 3,800 |
| Education | 2,260 |
Kronos | Software | 1,637 |
Verizon | Telecommunications | 876 |
| Supermarket | 750 |
D'Youville Senior Care Center
| Healthcare | 526 |
Community Teamwork (CTI)
| Social Services | 540 |
Aramark Corp.
| Hospitality/Food Services | 500 |
Lowell Community Health Center
| Healthcare | 490 |
| Education | 423 |
M/A COM Technology Solutions
| Electronics | 414 |
Arris (Motorola)
| Electronics | 371 |
Worldplay (former Vantiv) | Software | 340 |
Enterprise Bank
| Financial Services | 330 |
UnWrapped Inc.
| Manufacturing | 270 |
Target
| Retail | 264 |
Northwood Rehabilitation
| Healthcare | 253 |
Genesis HealthCare (Heritage and Willow Manor)*
| Healthcare | 245 |
Cirtec (former Metrigraphics)
| Manufacturing | 225 |
Veonner (former AutoLiv)
| Electronics | 220 |
Fairhaven Healthcare Center* | Healthcare | 217 |
DS Graphics
| Printing and Publishing | 210 |
Trinity EMS
| Healthcare | 171 |
Lowe's Home Improvement*
| Retail | 155 |
Jabra
| Electronics | 150 |
Jeanne D'Arc Credit Union
| Financial Services | 145 |
TRC Environmental Corporation*
| Environmental | 136 |
Scheidt and Bachmann | Electronics | 132 |
Circle Home (former Visiting Nurses Assoc. of Lowell)* | Healthcare | 130 |
DS Smith (former Interstate Container) | Corrugated Manufacturing | 130 |
Hannaford
| Supermarket | 130 |
Rapid Micro Biosystems | Life Sciences | 125 |
Evoqua Water Technologies Corp. (former Siemens)
| Electronics | 120 |
Town and Country Nursing Home
| Healthcare | 112 |
Wingate*
| Healthcare | 112 |
Segue Manufacturing | Manufacturing | 110 |
Fred C. Church Insurance Agency | Insurance Services | 109 |
Captivate | Marketing | 101 |