Boston Research & Management 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
3M Co	COM	88579Y101	534	4,460	SH		SOLE		0	0	4,460
AMEX Energy Sector SPDR	COM	81369y506	4,009	45,840	SH		SOLE		0	0	45,840
AbbVie Inc.	COM	00287y109	8,681	53,718	SH		SOLE		0	0	53,718
Abbott Laboratories	COM	002824100	6,478	59,004	SH		SOLE		0	0	59,004
Accenture PLC	COM	G1151C101	4,319	16,189	SH		SOLE		0	0	16,189
Agilent Technologies, Inc.	COM	00846u101	281	1,879	SH		SOLE		0	0	1,879
Alphabet, Inc. - Class A	COM	02079k305	4,678	53,025	SH		SOLE		0	0	53,025
Alphabet, Inc. - Class C	COM	02079k107	1,048	11,820	SH		SOLE		0	0	11,820
Amazon.com, Inc.	COM	023135106	2,257	26,871	SH		SOLE		0	0	26,871
Amgen Inc.	COM	031162100	311	1,187	SH		SOLE		0	0	1,187
Apple Inc.	COM	037833100	7,497	57,706	SH		SOLE		0	0	57,706
Archer Daniels Midland Com	COM	039483102	267	2,880	SH		SOLE		0	0	2,880
Automatic Data Processing, Inc	COM	053015103	433	1,815	SH		SOLE		0	0	1,815
Bank of New York Mellon Corp.	COM	064058100	3,957	86,940	SH		SOLE		0	0	86,940
Berkshire Hathaway Inc. Class	COM	084670702	6,173	19,986	SH		SOLE		0	0	19,986
Boeing Co	COM	097023105	255	1,339	SH		SOLE		0	0	1,339
Boston Properties, Inc.	COM	101121101	327	4,850	SH		SOLE		0	0	4,850
Bristol-Myers Squibb Company	COM	110122108	504	7,010	SH		SOLE		0	0	7,010
CH Robinson Worldwide Inc	COM	12541W209	4,467	48,789	SH		SOLE		0	0	48,789
CVS Health Corp	COM	126650100	5,678	60,932	SH		SOLE		0	0	60,932
Caterpillar	COM	149123101	848	3,542	SH		SOLE		0	0	3,542
Chevron Corp	COM	166764100	1,612	8,983	SH		SOLE		0	0	8,983
Cintas Corporation	COM	172908105	2,497	5,530	SH		SOLE		0	0	5,530
Cisco Systems, Inc.	COM	17275r102	6,551	137,521	SH		SOLE		0	0	137,521
Coca-Cola Company	COM	191216100	4,849	76,245	SH		SOLE		0	0	76,245
Colgate-Palmolive Company	COM	194162103	4,805	60,986	SH		SOLE		0	0	60,986
Comcast Corp Cl A Vtg	COM	20030N101	4,073	116,488	SH		SOLE		0	0	116,488
ConocoPhillips	COM	20825C104	3,281	27,809	SH		SOLE		0	0	27,809
D.R. Horton, Inc.	COM	23331a109	3,675	41,234	SH		SOLE		0	0	41,234
Danaher Corp.	COM	235851102	551	2,078	SH		SOLE		0	0	2,078
Duke Energy Corp.	COM	26441c204	3,904	37,913	SH		SOLE		0	0	37,913
Eli Lilly & Co	COM	532457108	1,621	4,433	SH		SOLE		0	0	4,433
Emerson Electric Co	COM	291011104	489	5,100	SH		SOLE		0	0	5,100
Exxon Mobil Corp.	COM	30231g102	4,977	45,127	SH		SOLE		0	0	45,127
Fastenal Co	COM	311900104	6,894	145,709	SH		SOLE		0	0	145,709
General Dynamics Corporation	COM	369550108	211	854	SH		SOLE		0	0	854
General Mills Inc Com	COM	370334104	8,247	98,363	SH		SOLE		0	0	98,363
Genuine Parts	COM	372460105	414	2,390	SH		SOLE		0	0	2,390
HP Inc.	COM	40434l105	238	8,880	SH		SOLE		0	0	8,880
Home Depot, Inc.	COM	437076102	2,976	9,425	SH		SOLE		0	0	9,425
Illinois Tool Works	COM	452308109	571	2,594	SH		SOLE		0	0	2,594
Intel Corp	COM	458140100	2,637	99,803	SH		SOLE		0	0	99,803
Intl Business Machines Corp	COM	459200101	633	4,496	SH		SOLE		0	0	4,496
Invesco QQQ Trust Series 1	COM	46090e103	213	803	SH		SOLE		0	0	803
J.P. Morgan Chase & Co.	COM	46625h100	4,841	36,101	SH		SOLE		0	0	36,101
Johnson & Johnson	COM	478160104	1,730	9,795	SH		SOLE		0	0	9,795
Kimberly-Clark Corp	COM	494368103	418	3,085	SH		SOLE		0	0	3,085
Laboratory CP Amer Hldgs	COM	50540R409	5,216	22,152	SH		SOLE		0	0	22,152
Linde PLC	COM	g5494j103	5,625	17,246	SH		SOLE		0	0	17,246
Lockheed Martin Corp	COM	539830109	4,956	10,189	SH		SOLE		0	0	10,189
Magna International, Inc. Cl A	COM	559222401	2,393	42,610	SH		SOLE		0	0	42,610
Marsh & McLennan Companies, In	COM	571748102	436	2,637	SH		SOLE		0	0	2,637
Mastercard, Inc.	COM	57636q104	7,640	21,973	SH		SOLE		0	0	21,973
McDonald's Corp	COM	580135101	6,319	23,980	SH		SOLE		0	0	23,980
Medtronic Plc	COM	G5960L103	3,745	48,195	SH		SOLE		0	0	48,195
Merck & Co. Inc.	COM	58933Y105	6,800	61,294	SH		SOLE		0	0	61,294
Microsoft Corp	COM	594918104	12,046	50,231	SH		SOLE		0	0	50,231
Nextera Energy Inc.	COM	65339F101	4,884	58,426	SH		SOLE		0	0	58,426
Nucor Corporation	COM	670346105	255	1,936	SH		SOLE		0	0	1,936
Omnicom Group Inc Com	COM	681919106	4,032	49,438	SH		SOLE		0	0	49,438
Oracle Corp.	COM	68389X105	840	10,278	SH		SOLE		0	0	10,278
PPG Industries	COM	693506107	467	3,721	SH		SOLE		0	0	3,721
Paychex, Inc.	COM	704326107	886	7,675	SH		SOLE		0	0	7,675
Pepsi Co Inc	COM	713448108	5,193	28,746	SH		SOLE		0	0	28,746
Pfizer Inc.	COM	717081103	1,224	23,905	SH		SOLE		0	0	23,905
Procter & Gamble Co	COM	742718109	5,874	38,760	SH		SOLE		0	0	38,760
Qorvo Inc.	COM	74736K101	2,725	30,065	SH		SOLE		0	0	30,065
Qualcomm, Inc.	COM	747525103	327	2,982	SH		SOLE		0	0	2,982
SPDR DJIA ETF Trust	COM	78467X109	221	670	SH		SOLE		0	0	670
SPDR S&P 500 ETF	COM	78462F103	2,733	7,148	SH		SOLE		0	0	7,148
Shell PLC	COM	780259305	378	6,644	SH		SOLE		0	0	6,644
Snap-On Inc.	COM	833034101	4,047	17,715	SH		SOLE		0	0	17,715
Southern Co	COM	842587107	340	4,773	SH		SOLE		0	0	4,773
Stryker Corp	COM	863667101	1,064	4,354	SH		SOLE		0	0	4,354
Sysco Corp	COM	871829107	626	8,190	SH		SOLE		0	0	8,190
Thermo Fisher Scientific	COM	883556102	4,473	8,123	SH		SOLE		0	0	8,123
Tractor Supply Co	COM	892356106	8,601	38,236	SH		SOLE		0	0	38,236
US Bancorp	COM	902973304	1,989	45,626	SH		SOLE		0	0	45,626
United Parcel Services	COM	911312106	5,680	32,678	SH		SOLE		0	0	32,678
UnitedHealth Group Inc	COM	91324P102	392	740	SH		SOLE		0	0	740
VanEck Vectors Biotech ETF	COM	92189F726	2,038	12,761	SH		SOLE		0	0	12,761
Vanguard Developed Markets ETF	COM	921943858	888	21,165	SH		SOLE		0	0	21,165
Vanguard Emerging Markets ETF	COM	922042858	601	15,429	SH		SOLE		0	0	15,429
Vanguard FTSE All-World Ex-US	COM	922042775	1,109	22,134	SH		SOLE		0	0	22,134
Vanguard Small-Cap ETF	COM	922908751	2,119	11,550	SH		SOLE		0	0	11,550
Vanguard Total Stock Market ET	COM	922908769	2,366	12,380	SH		SOLE		0	0	12,380
Verizon Communications	COM	92343v104	3,155	80,090	SH		SOLE		0	0	80,090
Wal-Mart Stores	COM	931142103	6,591	46,491	SH		SOLE		0	0	46,491
Walt Disney Co.	COM	254687106	2,774	31,930	SH		SOLE		0	0	31,930
Waste Management, Inc.	COM	94106l109	484	3,090	SH		SOLE		0	0	3,090
Xylem Inc.	COM	98419m100	6,974	63,075	SH		SOLE		0	0	63,075
Yum China Holding Inc.	COM	98850p109	237	4,342	SH		SOLE		0	0	4,342
Yum! Brands Inc.	COM	988498101	574	4,483	SH		SOLE		0	0	4,483
iShares Comex Gold Trust	COM	464285204	1,862	53,838	SH		SOLE		0	0	53,838
iShares Core MSCI EAFE ETF	COM	46432f842	3,987	64,685	SH		SOLE		0	0	64,685
iShares Core MSCI Emerging Mkt	COM	46434g103	4,524	96,874	SH		SOLE		0	0	96,874
iShares Core S&P 500 ETF	COM	464287200	13,992	36,418	SH		SOLE		0	0	36,418
iShares Core S&P Midcap ETF	COM	464287507	2,506	10,361	SH		SOLE		0	0	10,361
iShares Core S&P SmallCap ETF	COM	464287804	6,924	73,168	SH		SOLE		0	0	73,168
iShares Nasdaq Biotechnology I	COM	464287556	2,152	16,396	SH		SOLE		0	0	16,396
iShares Russell 2000 Index Fun	COM	464287655	3,668	21,039	SH		SOLE		0	0	21,039
iShares S&P Growth Allocation	COM	464289867	424	9,005	SH		SOLE		0	0	9,005
iShares Core Total US Bond Mar	COM	464287226	454	4,690	SH		SOLE		0	0	4,690
iShares US Preferred Stock	COM	464288687	715	23,446	SH		SOLE		0	0	23,446
VaneckVectors HY Muni ETF	COM	92189h409	1,635	32,363	SH		SOLE		0	0	32,363
iShares iBoxx High Yield Corp	COM	464288513	2,094	28,449	SH		SOLE		0	0	28,449