BD+C's Top 150 Building Team LEED APs

During the past year, more than 13,300 design and construction professionals in the U.S. earned their green stripes by becoming accredited through the U.S. Green Building Council’s LEED Accredited Professionals program. As of late June, 53,341 AEC professionals have been accredited through the USGBC, up from about 40,000 last year, according to the Washington, D.C.-based organization. Since 2004, BD+C has tracked the number of LEED APs within the nation’s largest AEC firms as part of its annual Giants 300 survey. Of the 363 firms surveyed this year, 95% report having at least one LEED AP on staff, and 72% say they have 10 or more LEED APs. For the fourth year running, Perkins+Will takes the top spot on BD+C’s top 150 Building Team LEED APs ranking, with 775. Seattle’s Mithun has the highest percentage of LEED APs on staff among the Giants 300, with 75.2% of the firm’s total staff accredited. Perkins+Will (55.2%), LPA (54.6%), FXFOWLE Architects (43.5%), and CUH2A (42.5%) round out the top five by percentage. The LEED accreditation exam is expected to get tougher with the advent of the third major revision of LEED in 2009. —Lenora Jane Estes, Editorial Intern

BD+C's Top 150 Building Team LEED APs
	Firm	LEED APs	# Staff	% LEED APs
1	Perkins+Will	775	1,404	55.2
2	Gensler	700	3,105	22.5
3	HOK	436	2,608	16.7
4	Turner Corp., The	425	5,881	7.2
5	Stantec	315	7,419	4.2
6	SmithGroup	251	810	31.0
7	Bovis Lend Lease	250	3,205	7.8
8	AECOM Technology Corp.	216	35,100	0.6
9	JE Dunn Construction Group	207	3,267	6.3
10	HDR Architecture	206	1,268	16.2
11	Jacobs Engineering Group	204	54,369	0.4
12	DPR Construction	200	540	37.0
13	CUH2A	196	461	42.5
14	HKS	193	1,238	15.6
15	Swinerton	175	1,300	13.5
16	Mithun	161	214	75.2
17	Arup	160	10,300	1.6
18	NBBJ	149	774	19.3
19	Gilbane Building Co.	141	2,180	6.5
20	DLR Group	140	608	23.0
20	Skanska USA Building	140	—	—
22	Opus Group, The	139	1,881	7.4
23	Cannon Design	133	768	17.3
24	LPA	131	240	54.6
25	Callison	127	796	16.0
25	Leo A Daly	127	1,090	11.7
27	McCarthy Holdings	120	3,444	3.5
28	Skidmore, Owings & Merrill	117	1,417	8.3
29	URS Corp.	113	56,414	0.2
29	Zimmer Gunsul Frasca Architects	113	506	22.3
31	M. A. Mortenson	107	1,470	7.3
32	Structure Tone	105	1,650	6.4
33	Hammel, Green and Abrahamson	103	528	19.5
34	Hensel Phelps Construction	102	2,794	3.7
34	KlingStubbins	102	500	20.4
36	Burt Hill	101	1,070	9.4
37	Beck Group, The	100	590	16.9
37	Moseley Architects	100	254	39.4
37	Perkins Eastman	100	785	12.7
40	Webcor Builders	99	678	14.6
41	Affiliated Engineers	95	563	16.9
42	Flack + Kurtz	93	558	16.7
42	RTKL Associates	93	1,192	7.8
44	FXFOWLE Architects	87	200	43.5
45	Clark Group	86	—	—
46	Einhorn Yaffee Prescott	80	300	26.7
47	OWP/P	78	315	24.8
48	Cooper Carry	77	311	24.8
49	Thompson, Ventulett, Stainback & Associates	76	273	27.8
50	Burns & McDonnell	75	2,701	2.8
50	Ellerbe Becket	75	384	19.5
50	Sundt Construction	75	830	9.0
50	Whiting-Turner Contracting Co., The	75	2,002	3.7
54	TLC Engineering for Architecture	74	400	18.5
55	Ryan Companies US	72	915	7.9
56	HMC Architects	71	443	16.0
56	Little	71	324	21.9
58	CTA Architects Engineers	70	409	17.1
58	KPFF Consulting Engineers	70	951	7.4
58	Sasaki Associates	70	334	21.0
61	Gould Evans Associates	68	194	35.1
62	Beyer Blinder Belle Architects & Planners	66	175	37.7
62	CH2M HILL	66	11,513	0.6
62	STV Group	66	1,525	4.3
62	STV Group	66	1,525	4.3
66	Balfour Beatty Construction	64	1,418	4.5
67	Clark Nexsen	63	378	16.7
67	RNL Design	63	272	23.2
69	Adolfson & Peterson Construction	61	649	9.4
69	RS&H	61	954	6.4
71	Dewberry	60	1,955	3.1
71	Heery International	60	1,100	5.5
73	Holder Construction	57	426	13.4
73	Parsons Brinckerhoff	57	12,000	0.5
73	Syska Hennessy Group	57	762	7.5
76	Elkus Manfredi Architects	56	230	24.3
76	Smith Seckman Reid	56	499	11.2
78	EwingCole	55	367	15.0
79	Albert Kahn Associates	54	270	20.0
79	Tishman Construction	54	1,049	5.1
81	Harley Ellis Devereaux	53	422	12.6
82	PageSoutherlandPage	52	430	12.1
83	Gresham, Smith and Partners	51	809	6.3
83	Heapy Engineering	51	144	35.4
83	Henderson Engineers	51	438	11.6
86	Anshen+Allen	50	376	13.3
86	Newcomb & Boyd	50	160	31.3
86	Suffolk Construction	50	1,000	5.0
89	Shepley Bulfinch Richardson and Abbott	48	171	28.1
89	VOA Associates	48	226	21.2
91	Glumac	47	149	31.5
92	Thornton Tomasetti	46	707	6.5
93	Durrant Group, The	45	260	17.3
94	Clayco	44	950	4.6
94	RMJM	44	1,122	3.9
96	KJWW Engineering Consultants	43	473	9.1
97	Hoffman Construction	42	883	4.8
97	M-E Engineers	42	250	16.8
99	Epstein	41	202	20.3
99	Flad Architects	41	276	14.9
99	Vanderweil Engineers	41	375	10.9
102	Barton Malow	40	1,500	2.7
102	Environmental Systems Design	40	233	17.2
104	Corgan Associates	38	312	12.2
105	DeStefano and Partners	36	127	28.3
105	Interface Engineering	36	178	20.2
105	Pepper Construction Group	36	553	6.5
108	ADD	35	142	24.6
108	Cubellis	35	409	8.6
110	Michaud Cooley Erickson	34	130	26.2
111	HNTB Architecture	33	340	9.7
111	Kitchell Contractors	33	748	4.4
113	Benham Cos., The	32	687	4.7
113	Nelson	32	435	7.4
113	OZ Architecture	32	245	13.1
113	Symmes Maini & McKee Associates	32	142	22.5
117	Cuningham Group Architecture	31	202	15.3
117	Martin Associates Group	31	445	7.0
117	X-nth	31	352	8.8
117	Yates Cos., The	31	7,000	0.4
121	Fentress Architects	30	108	27.8
121	Miron Construction	30	116	25.9
121	Solomon Cordwell Buenz	30	165	18.2
121	W.E. O'Neil Construction	30	349	8.6
125	Fanning/Howey Associates	29	255	11.4
125	Studios Architecture	29	200	14.5
127	Brasfield & Gorrie	28	718	3.9
127	Power Construction	28	230	12.2
127	RMH Group, The	28	80	35.0
130	Linbeck	27	396	6.8
130	WHR Architects	27	161	16.8
132	BRPH Cos.	26	230	11.3
132	Fishbeck, Thompson, Carr & Huber	26	358	7.3
132	James G. Davis Construction	26	500	5.2
132	Looney Ricks Kiss Architects	26	230	11.3
132	Mazzetti & Associates	26	115	22.6
132	Omniplan	26	86	30.2
132	TRO Jung\|Brannen	26	319	8.2
139	KKE Architects	25	250	10.0
139	Layton Cos., The	25	416	6.0
139	MulvannyG2 Architecture	25	500	5.0
139	Shawmut Design and Construction	25	821	3.0
143	BSA LifeStructures	24	293	8.2
143	Duke Construction	24	357	6.7
143	RSP Architects	24	294	8.2
143	Shive-Hattery	24	288	8.3
143	Thomas Group, The	24	236	10.2
148	Wimberly Allison Tong & Goo	23	453	5.1
148	WWCOT	23	160	14.4

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BD+C's Top 150 Building Team LEED APs

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