The Los Angeles Lakers had the highest offensive rating by a team in 1979-80, with a 109.5 rating.

TEAM	ORTG	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Los Angeles Lakers	109.5	1979-80	82	242.4	115.1	45.6	29.4	9.4	6.7	20.0	47.5	89.9	52.9	0.2	1.2	20.0	19.8	25.5	77.5	19,880	9,438	3,738	2,413	774	546	1,639	1,784
Boston Celtics	109.4	1979-80	82	242.4	113.5	44.9	26.8	9.9	3.8	18.8	44.1	90.1	49.0	2.0	5.1	38.4	23.3	29.9	77.9	19,880	9,303	3,684	2,198	809	308	1,539	1,974
San Antonio Spurs	108.6	1979-80	82	240.9	119.4	44.7	28.4	9.4	4.1	19.4	47.0	94.4	49.8	0.6	2.5	25.2	24.7	30.8	80.1	19,755	9,788	3,668	2,326	771	333	1,589	2,103
Houston Rockets	108.1	1979-80	82	243.0	110.8	44.0	26.2	9.5	4.5	19.1	43.9	91.4	48.0	1.3	4.6	27.4	21.7	28.4	76.6	19,930	9,084	3,611	2,149	782	373	1,565	1,927
Milwaukee Bucks	106.8	1979-80	82	241.5	110.1	44.4	27.8	9.5	6.2	18.2	44.9	92.1	48.8	0.6	1.9	32.3	19.6	25.6	76.4	19,805	9,025	3,641	2,277	778	510	1,496	1,937
Cleveland Cavaliers	106.7	1979-80	82	243.0	114.1	45.0	25.7	9.3	4.2	16.7	46.5	98.1	47.4	0.4	2.3	19.3	20.8	26.9	77.2	19,930	9,360	3,688	2,108	764	342	1,370	1,934
New York Knicks	106.5	1979-80	82	241.2	114.0	43.2	27.6	10.7	5.6	19.7	46.4	93.6	49.6	0.5	2.3	22.0	20.7	27.7	74.7	19,780	9,344	3,539	2,265	881	457	1,613	2,168
Seattle SuperSonics	105.8	1979-80	82	241.8	108.5	47.9	24.9	9.1	5.2	18.2	43.3	92.3	47.0	0.7	2.3	31.2	21.1	27.5	76.8	19,830	8,897	3,930	2,043	750	428	1,496	1,865
San Diego Clippers	105.7	1979-80	82	240.9	107.6	43.9	20.6	8.1	3.5	17.6	43.0	91.4	47.0	2.2	6.6	32.6	19.5	26.4	73.6	19,755	8,820	3,602	1,688	664	288	1,443	1,896
Phoenix Suns	105.6	1979-80	82	240.9	111.1	43.0	27.8	11.1	4.2	19.9	43.5	88.2	49.3	0.8	3.4	24.3	23.2	30.1	77.3	19,755	9,114	3,529	2,283	908	344	1,629	1,853
Indiana Pacers	105.5	1979-80	82	242.1	111.2	45.4	26.2	11.0	6.5	18.5	44.4	93.8	47.3	1.1	3.8	28.0	21.4	28.5	75.1	19,855	9,119	3,724	2,148	900	530	1,517	1,973
Atlanta Hawks	105.2	1979-80	82	241.2	104.5	46.0	23.3	9.5	6.6	18.2	39.8	85.7	46.4	0.2	0.9	17.3	24.9	32.3	77.1	19,780	8,573	3,775	1,913	782	539	1,495	2,293
Philadelphia 76ers	105.0	1979-80	82	242.1	109.1	46.6	27.1	9.7	8.0	20.8	43.0	87.3	49.2	0.3	1.5	21.6	22.9	29.6	77.2	19,855	8,949	3,822	2,226	792	652	1,708	1,860
Chicago Bulls	104.3	1979-80	82	242.7	107.5	43.7	26.2	8.6	4.8	20.5	41.0	84.7	48.4	0.9	3.4	25.5	24.6	31.6	77.9	19,905	8,813	3,580	2,152	704	392	1,684	2,146
Utah Jazz	104.2	1979-80	82	241.5	102.4	40.6	24.5	8.0	4.4	18.8	41.2	83.1	49.6	0.7	2.3	31.9	19.2	23.7	80.9	19,805	8,394	3,326	2,005	656	362	1,543	2,006
Kansas City Kings	104.0	1979-80	82	241.5	108.0	44.1	25.9	10.5	4.3	17.5	43.7	91.3	47.8	0.3	1.4	21.9	20.4	27.4	74.3	19,805	8,860	3,616	2,123	863	356	1,439	2,135
Portland Trail Blazers	103.4	1979-80	82	241.2	102.5	45.2	23.1	8.6	5.8	18.9	41.6	87.4	47.6	0.3	1.6	19.7	19.0	25.6	74.3	19,780	8,402	3,703	1,898	708	472	1,552	1,956
Denver Nuggets	103.4	1979-80	82	241.8	108.3	46.8	25.4	9.1	4.9	18.7	42.2	91.1	46.3	1.0	3.1	32.5	22.8	31.0	73.7	19,830	8,878	3,835	2,079	746	404	1,533	1,917
Washington Bullets	103.2	1979-80	82	242.4	107.0	49.5	26.8	6.5	5.4	16.8	43.6	95.1	45.8	0.9	2.9	30.7	18.9	25.0	75.8	19,880	8,773	4,057	2,201	530	443	1,380	1,893
Golden State Warriors	102.0	1979-80	82	242.4	103.6	43.8	24.7	9.5	4.1	18.2	43.0	89.2	48.2	0.3	1.5	22.3	17.2	23.3	73.8	19,880	8,493	3,592	2,028	779	339	1,492	2,082
New Jersey Nets	101.5	1979-80	82	241.5	108.3	45.9	25.5	10.6	7.1	20.8	42.1	91.5	46.1	1.0	3.6	28.5	23.0	29.3	78.2	19,805	8,879	3,764	2,094	869	581	1,702	2,181
Detroit Pistons	101.2	1979-80	82	241.2	108.9	44.4	23.8	9.5	6.9	21.2	44.4	92.6	48.0	0.7	2.7	26.0	19.4	26.2	74.0	19,780	8,933	3,641	1,950	783	562	1,742	2,069