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NAME OF ISSUER TITLE OF CLASS CUSIP VALUE(x1000) SHARES SH/PRN PT/CL Sole Other MGRS SOLE SHARED NONE
AMGEN COMMON STOCK 031162100 14,225 203,714 SH 194,810 10,904 203,714
APPLIED MATERIALS COMMON STOCK 038222105 11,880 200,317 SH 191,005 9,312 200,317
BERKSHIRE HATHAWAY CL B COMMON STOCK 084670207 10,430 5,039 SH 4,929 110 5,039
CHARLES SCHWAB COMMON STOCK 808513105 13,091 368,767 SH 353,017 15,750 368,767
CISCO SYSTEMS COMMON STOCK 17275R102 1,098 19,875 SH 16,875 3,000 19,875
CLEAR CHANNEL COMMUNICATIONS COMMON STOCK 184502102 8,968 151,626 SH 148,110 3,516 151,626
COLT TELECOM GROUP COMMON STOCK 196877104 871 7,900 SH 7,900 7,900
FANNIE MAE COMMON STOCK 313586109 15,310 214,125 SH 204,845 9,280 214,125
FIFTH THIRD BANCORP COMMON STOCK 316773100 2,186 40,582 SH 38,082 2,500 40,582
FIRSTAR CORPORATION COMMON STOCK 33763V109 817 36,500 SH 36,500 36,500
GENERAL ELECTRIC COMMON STOCK 369604103 1,148 19,900 SH 19,900 19,900
GENTEX COMMON STOCK 371901109 9,962 398,465 SH 376,435 22,030 398,465
HARLEY DAVIDSON COMMON STOCK 412822108 10,660 222,664 SH 215,580 7,084 222,664
HOME DEPOT COMMON STOCK 437076102 10,595 199,674 SH 191,674 8,000 199,674
INTEL COMMON STOCK 458140100 13,427 323,069 SH 299,585 23,484 323,069
IBM COMMON STOCK 459200101 211 1,878 SH 1,878 1,878
LINEAR TECHNOLOGY COMMON STOCK 535678106 18,070 279,067 SH 266,355 12,712 279,067
LUCENT TECHNOLOGIES COMMON STOCK 549463107 7,152 234,040 SH 220,526 13,514 234,040
MBNA COMMON STOCK 55262L100 4,209 109,325 SH 107,575 1,750 109,325
MEDTRONIC COMMON STOCK 585055106 413 7,966 SH 7,966 7,966
MERCK COMMON STOCK 589331107 8,776 117,893 SH 113,565 4,328 117,893
MICROSOFT COMMON STOCK 594918104 6,322 104,825 SH 101,075 3,750 104,825
NEXTEL COMMUNICATIONS COMMON STOCK 65332V103 9,678 207,022 SH 199,210 7,812 207,022
NOKIA COMMON STOCK 654902204 295 7,400 SH 5,000 2,400 7,400
PARAMETRIC TECHNOLOGY COMMON STOCK 699173100 5,678 518,986 SH 518,986 518,986
PFIZER COMMON STOCK 717081103 3,960 88,120 SH 87,620 500 88,120
STONE ELECTRONICS COMMON STOCK Y8170W109 11 20,000 SH 20,000 20,000
WAL MART STORES COMMON STOCK 931142103 2,295 47,680 SH 47,680 47,680
WELLS FARGO COMMON STOCK 949746101 9,178 199,775 SH 194,775 5,000 199,775
WORLDCOM COMMON STOCK 55268B106 12,204 401,840 SH 377,308 24,532 401,840
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