Abbott Labs COM 002819AC4 432 11000 SH SOLE 11000 0 0 Abbvie Inc COM 00287Y109 712 11499 SH SOLE 11499 0 0 Alphabet Inc Class C CL C 38259P706 11555 16696 SH SOLE 16696 0 0 Alphabet Inc Class A CL A 38259P508 2967 4217 SH SOLE 4217 0 0 American International Group COM 026874784 10813 204442 SH SOLE 204442 0 0 American Tower Group COM 03027X100 19090 168029 SH SOLE 168029 0 0 Amgen Incorporated COM 031162100 393 2580 SH SOLE 2580 0 0 Apple Computer COM 037833100 10261 107333 SH SOLE 107333 0 0 BERKSHIRE HATHAWAY I CL B NEW 084670702 17462 120604 SH SOLE 120604 0 0 Blackstone Group LP COM UNIT LTD 09253U108 567 23100 SH SOLE 23100 0 0 Cisco Systems Inc. COM 17275R102 215 7500 SH SOLE 7500 0 0 Comcast Corp COM 20030N101 13970 214296 SH SOLE 214296 0 0 Crown Castle Int'l Corp COM 228227104 674 6647 SH SOLE 6647 0 0 Crown Holdings Inc COM 228368106 13321 262899 SH SOLE 262899 0 0 CVS Corp Com COM 126650100 560 5845 SH SOLE 5845 0 0 Dollar Tree Inc. COM 256746108 10831 114935 SH SOLE 114935 0 0 Enstar Group COM 29358R107 5712 35259 SH SOLE 35259 0 0 Enterprise Product Partners COM 293792107 2928 100075 SH SOLE 100075 0 0 Exxon Mobil Corp COM 30231G102 595 6349 SH SOLE 6349 0 0 Facebook Inc. Class A CL A 30303M102 9842 86124 SH SOLE 86124 0 0 Goldman Sachs Group COM 38141G104 8637 58129 SH SOLE 58129 0 0 Johnson & Johnson Co COM 478160104 737 6072 SH SOLE 6072 0 0 JP Morgan Chase COM 46625H100 227 3650 SH SOLE 3650 0 0 Macquarie Infrastructure L COM 55608B105 9173 123877 SH SOLE 123877 0 0 Microsoft Inc. COM 594918104 342 6675 SH SOLE 6675 0 0 Oracle Corp COM 68389X105 755 18450 SH SOLE 18450 0 0 Pepsico Inc COM 713448108 10889 95229 SH SOLE 95229 0 0 Procter & Gamble Co COM 742718109 1210 14290 SH SOLE 14290 0 0 Schlumberger COM 806857108 9404 118915 SH SOLE 118915 0 0 Thermo Fisher Scientific COM 883556102 16837 118913 SH SOLE 118913 0 0 Trupanion Inc COM 898202106 3421 258029 SH SOLE 258029 0 0 TE Connectivity Ltd. REG SHS H84989104 8859 155122 SH SOLE 155122 0 0 VISA Inc CI A CL A 92826C839 16340 220300 SH SOLE 220300 0 0 Wells Fargo & Co. Ne COM 949746101 12031 254188 SH SOLE 254188 0 0