Locomotives for American 3'-0" Common Carrier Railroad, by Builder, 1870-90
	1870	1871	1872	1873	1874	1875	1876	1877	1878	1879	1880	1881	1882	1883	1884	1885	1886	1887	1888	1889	1890	Total	% of Output
Baldwin		14	8	22	10	23	18	28	34	41	95	86	49	27	18	12	16	18	6	18	18	561	6	Baldwin
Brooks			1	3		2	11	3	16	11	14	34	32	27		2	5		3	8	3	176	10	Brooks
Porter	1		3	8	11	15	8	8	15	9	16	21	15	8	6	5	4	2	1		5	161	14	Porter
Grant		1	3	2	3					3	11	39	51	15								128	13	Grant
Mason			1	1	1	4	3	6	9	16	12	6	7	3		1	1	2				73	20	Mason
National-D&B			1	3	11	10	10	22	8													65	72	National-D&B
Pittsburg		2			1	2	1		3	2	18		14	7	1	1	2			1		55	5	Pittsburg
Dickson				3					2	2	1	2	7	6	5	1	1	2		1		33	4.5	Dickson
Rhode Island					1				1					2	15	6	7			1		33	1.4	Rhode Island
Hinkley							2			2		6	10	7				2	2			31	4	Hinkley
Cooke		1				2				3				10	13							29	2	Cooke
WV/Vulcan										3	6			2				1	1			13	15	WV/Vulcan
Thomas Paul/Mt. Savage											1	4	10	8								23	64	Thomas Paul/Mt. Savage
New York (Rome)														4	4		2					10	1.5	New York (Rome)
Union Iron Works												4										4		Union Iron Works
Richmond																					2	2		Richmond
Taunton															1						2	3	1	Taunton
Pgh. & McKeesport							2				1											3		Pgh. & McKeesport
Rogers										1						1						2		Rogers
G.W. Snyder													2									1		G.W. Snyder
T.W. GodwinVA Iron Works														1								1		T.W. GodwinVA Iron Works
Total	1	18	18	42	38	58	55	67	88	93	175	202	197	127	63	29	38	27	13	29	30	1408
Total U.S. output	>1062	>1218	>1534	>1616	>554	>431	>573	>414	>616	>899	1405	1977	2822	2067	1149	800	1436	2044	2180	1860	2300
3'-0" as % of total	ca.0	1.5	1.2	2.6	6.9	13.5	9.6	16.2	14.3	10.6	12.4	10.2	7	6.1	5.5	3.6	2.6	1.3	0.6	1.6	1.3
NOTES:
This material is copied from American Narrow Gauge Railroads by George W. Hilton.  Stanford University Press, Stanford, California. 1990. Table 5.2, pages 140-1.
Data originally compiled by Joseph A. Strapac, Huntington Beach, CA. Omitted are source notes.