Largest Massachusetts-based employers

Ranked by worldwide workforce in 2009.

Rank	Company	Employees
1	TJX Cos.	154,000
2	Staples	91,095
3	Raytheon Co.	75,100
4	EMC Corp.	43,200
5	Thermo Fisher Scientific	35,400
6	Stream Global Services	30,000
7	State Street Corp.	27,310
8	Boston Scientific Corp.	26,000
9	BJ's Wholesale Club	23,500
10	Five Star Quality Care	22,000
11	Iron Mountain	20,100
12	Talbots	12,100
13	Genzyme Corp.	12,000
14	Inverness Medical Innovations	11,300
15	UniFirst Corp.	9,700
16	Parexel International Corp.	9,275
17	Analog Devices	8,300
18	PerkinElmer	8,200
19	Charles River Laboratories International	8,000
20	Sapient Corp.	7,052
21	Princeton Review	6,499
22	Clean Harbors	6,399
23	Millipore Corp.	6,100
24	Watts Water Technologies	5,900
25	3Com Corp.	5,868
26	Nuance Communications	5,800
27	Waters Corp.	5,216
28	Parametric Technology Corp.	5,165
29	Biogen Idec	4,750
30	Bruker Corp.	4,500
31	Lionbridge Technologies	4,200
32	Hanover Insurance Group	4,100
33	ModusLink Global Solutions	4,100
34	Hologic	3,959
35	Cabot Corp.	3,950
36	Virtusa Corp.	3,764
37	Novell	3,600
38	Skyworks Solutions	3,300
39	NStar	3,000
40	Teradyne	2,900
41	Entegris	2,760
42	Altra Holdings	2,613
43	American Dental Partners	2,585
44	Casual Male Retail Group	2,529
45	Interactive Data Corp.	2,500
46	Circor International	2,500
47	Beacon Roofing Supply	2,258
48	MKS Instruments	2,178
49	Avid Technology	2,142
50	OneBeacon Insurance Group Ltd.	2,100