Large employers
The Globe invited 1,160 employers to participate in its third annual Top Places to Work. Of those, 236 went all the way through the process, allowing us to conduct a confidential survey of their workers. Research partner WorkplaceDynamics of Exton, Pa., specialists in employee engagement and retention, contacted more than 133,000 employees at those companies and received completed surveys from 82,000 individuals. Each was asked to grade their organization's performance according to 23 distinct statements, ranging from "I believe this organization is going in the right direction" to "It's easy to tell my boss the truth." More on methodology.

- Charts Small employers
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- Midsize employers
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- Large employers
Rank | Company | Description | Ownership | Mass. locations | Mass. employees | US employees | US headquarters | Global revenue (last fiscal year) |
1 | Bright Horizons Family Solutions | Human services | Private | 1 | 1,600 | 19,000 | Watertown | $850 million |
2 | MITRE Corp. | Research | Not-for-profit | 1 | 1,876 | 7,200 | Bedford, MA & McLean, VA | $1.263 billion |
3 | Millennium: The Takeda Oncology Co. | Pharmaceuticals | Private | 1 | 1,079 | 1,265 | Cambridge | N/A |
4 | Lowell General Hospital | Community hospital | Non-profit | 1 | 1,872 | 1,872 | Lowell | $233 million |
5 | Winchester Hospital | Community hospital | Non-profit | 23 | 2,700 | 2,700 | Winchester | $280 million |
6 | South Shore Hospital | Community hospital | Non-profit | 1 | 3,700 | 3,700 | South Weymouth | $420 million |
7 | Harvard Pilgrim Health Care | Health insurance | Non-profit | 2 | 1,150 | 1,200 | Wellesley | $2.7 billion |
8 | Herb Chambers Cos. | Auto dealer network | Private | 39 | 1,700 | 1,810 | Somerville | $1.461 billion |
9 | Comcast | Cable and communications | Public | 25 | 4,400 | 100,000 | Philadelphia, PA | $35.8 billion |
10 | Roche Bros. Supermarkets | Food retail | Private | 18 | 4,200 | 4,200 | Wellesely Hills | $600 million |
11 | Eastern Bank Corp. | Commercial bank | Cooperative/Mutual | 105 | 1,717 | 1,731 | Boston | $337 million |
12 | Children's Hospital Boston | Children's hospital | Non-profit | 5 | 8,978 | 8,978 | Boston | $1.287 billion |
13 | VA Boston Healthcare System | Health care services | Government | 9 | 4,000 | 4,000 | Boston | N/A |
14 | Vertex Pharmaceuticals | Pharmaceuticals | Public | 2 | 1,138 | 1,400 | Cambridge | $102 million |
15 | Hallmark Health System | Health care services | Non-profit | 9 | 2,850 | 3,150 | Medford | $308 million |
16 | Harvard Vanguard Medical Associates | Health care | Non-profit | 21 | 4,125 | 4,125 | Newton | $1.251 billion |
17 | Massachusetts General Hospital | Health care | Parent company | 9 | 23,000 | 23,000 | Boston | $2.6 billion |
18 | Newton-Wellesley Hospital | Health care | Non-profit | 1 | 3,044 | 3,100 | Newton | $407 million |
19 | Dana-Farber Cancer Institute | Cancer research and treatment | Non-profit | 14 | 3,900 | 4,000 | Boston | $807.8 million |
20 | Blue Cross Blue Shield of MA | Health insurance | Non-profit | 5 | 3,605 | 3,605 | Boston | $6.7 billion |
21 | Benchmark Senior Living | Senior living | Private | 22 | 1,030 | 3,500 | Wellesley | $16.5 million |
22 | EMC Corp. | Data management | Public | 19 | 8,731 | 20,200 | Hopkinton | $14 billion |
23 | Hanover Insurance Group | Insurance | Public | 6 | 1,825 | 4,200 | Worcester | $2.8 billion |
24 | Hanscom Air Force Base | Government | Government | 1 | 2,757 | 4,979 | Bedford | N/A |
25 | Partners HealthCare | Healthcare system | Non-profit | 10 | 3,926 | 3926 | Boston | N/A |