Growth 50

To be considered for the Growth 50, a company must have been publicly traded for two full years and must have reported profits in all periods.

2011 rank	2010 rank	Company	Composite score	2-year average revenue growth (percent)	2-year average income growth (percent)
1	-	Technical Communications Corp.	3	74.6	241.6
2	20	Acme Packet	10	41.0	92.8
3	47	iRobot Corp.	15	14.2	480.9
4	34	Clean Harbors	17	29.6	50.7
5	-	Harvard Bioscience	22	10.8	237.1
6	6	American Science and Engineering	24	17.9	41.1
7	49	Hanover Insurance Group	27	8.4	174.1
8	3	VistaPrint Ltd.	30	25.1	22.2
9	13	Boston Beer Co.	37	6.1	149.0
10	70	Analog Devices	37	8.7	35.9
11	16	Skyworks Solutions	39	16.3	21.4
12	73	IPG Photonics Corp.	41	14.3	21.4
13	44	Hittite Microwave Corp.	41	16.4	19.6
14	69	Boston Properties	42	10.7	22.9
15	1	NetScout Systems	43	4.8	88.3
16	19	Atlantic Tele-Network	45	72.8	5.1
17	36	Anika Therapeutics	47	24.6	9.1
18	14	TJX Cos.	48	7.5	23.5
19	50	SeaChange International	49	3.6	71.9
20	-	Kopin Corp.	50	2.4	85.9
21	24	UFP Technologies	51	4.8	34.4
22	43	Bruker Corp.	51	8.6	21.2
23	12	Senior Housing Properties Trust	55	20.2	4.6
24	52	EMC Corp.	56	6.9	22.1
25	10	Akamai Technologies	57	13.8	8.6
26	66	Analogic Corp.	58	2.5	30.1
27	7	Biogen Idec	62	7.3	13.3
28	9	American Tower Corp.	65	11.6	3.6
29	37	Mac-Gray Corp.	66	-6.2	118.3
30	4	Cubist Pharmaceuticals	68	21.1	-14.1
31	58	PerkinElmer	71	-6.2	74.3
32	29	MicroFinancial	72	13.5	-5.7
33	-	athenahealth	72	34.2	-36.6
34	54	Virtusa Corp.	73	8.4	3.1
35	64	Enterprise Bancorp	74	-6.1	38.5
36	15	Haemonetics Corp.	74	7.6	3.2
37	56	Independent Bank Corp.	75	-3.0	29.6
38	59	Arrhythmia Research Technology	75	1.9	19.4
39	38	Raytheon Co.	80	4.2	4.9
40	8	Sapient Corp.	80	12.1	-16.3
41	-	Covidien	81	1.9	11.4
42	39	Waters Corp.	83	2.1	8.8
43	62	Eaton Vance Corp.	83	7.0	1.0
44	32	Staples	84	3.1	4.7
45	17	UniFirst Corp.	85	0.2	9.9
46	28	Parexel International Corp.	85	4.9	1.9
47	61	Brookline Bancorp	86	-19.0	44.6
48	45	Zoll Medical Corp.	86	7.0	-5.9
49	48	NStar	90	-6.6	21.7
50	40	Monotype Imaging Holdings	90	-1.9	9.3