| 1901 | PPMS1343A | Panduit Corp | St Pipe Mrkr, Hydraulic Oil, Yl, |
| 1902 | PPMS1345A | Panduit Corp | St Pipe Mrkr, Hydraulic Oil, Bn, |
| 1903 | PPMS1347A | Panduit Corp | St Pipe Mrkr, Hydraulic Supply, |
| 1904 | PPMS1349A | Panduit Corp | St Pipe Mrkr, Hydrochloric Acid, |
| 1905 | PPMS1351A | Panduit Corp | St Pipe Mrkr, Hydrochloric Acid, |
| 1906 | PPMS1353A | Panduit Corp | St Pipe Mrkr, Hydrogen, Yl, A,ea |
| 1907 | PPMS1357A | Panduit Corp | St Pipe Mrkr, Hydrogen, Bn, A,ea |
| 1908 | PPMS1359A | Panduit Corp | St Pipe Mrkr, Hydrogen Peroxide, |
| 1909 | PPMS1361A | Panduit Corp | St Pipe Mrkr, Hydrogen Peroxide, |
| 1910 | PPMS1363A | Panduit Corp | St Pipe Mrkr, Industrial Water, |
| 1911 | PPMS1365A | Panduit Corp | St Pipe Mrkr, Inert Gas, Yl, A,e |
| 1912 | PPMS1367A | Panduit Corp | St Pipe Mrkr, Inert Gas, Gn, A,e |
| 1913 | PPMS1369A | Panduit Corp | St Pipe Mrkr, Instrument Air, Yl |
| 1914 | PPMS1371A | Panduit Corp | St Pipe Mrkr, Instrument Air, Bu |
| 1915 | PPMS1373A | Panduit Corp | St Pipe Mrkr, Kerosene, Yl, A,ea |
| 1916 | PPMS1375A | Panduit Corp | St Pipe Mrkr, Lab Vacuum, Yl, A, |
| 1917 | PPMS1377A | Panduit Corp | St Pipe Mrkr, Lab Vent, Yl, A,ea |
| 1918 | PPMS1379A | Panduit Corp | St Pipe Mrkr, Lab Waste, Yl, A,e |
| 1919 | PPMS1381A | Panduit Corp | St Pipe Mrkr, Liquid Nitrogen, Y |
| 1920 | PPMS1383A | Panduit Corp | St Pipe Mrkr, Low Pressure Air, |
| 1921 | PPMS1385A | Panduit Corp | Pipe Mrkr,low Press Cond,a,yl,ea |
| 1922 | PPMS1387A | Panduit Corp | St Pipe Mrkr, Low Pressure Gas, |
| 1923 | PPMS1389A | Panduit Corp | St Pipe Mrkr, Low Pressure Gas, |
| 1924 | PPMS1391A | Panduit Corp | Pipe Mrkr,low P Nat Gas,a,yl,ea |
| 1925 | PPMS1393A | Panduit Corp | Pipe Mrkr,low P Nat Gas,bn,a,ea |
| 1926 | PPMS1395A | Panduit Corp | Pipe Mrkr,low Press Nitrogen,a,y |
| 1927 | PPMS1397A | Panduit Corp | Pipe Mrkr,low Press Nitrogen,bn, |
| 1928 | PPMS1399A | Panduit Corp | St Pipe Mrkr, Low Pressure Steam |
| 1929 | PPMS1401A | Panduit Corp | St Pipe Mrkr, Low Pressure Water |
| 1930 | PPMS1403A | Panduit Corp | St Pipe Mrkr, Lube Oil, Yl, A,ea |
| 1931 | PPMS1405A | Panduit Corp | St Pipe Mrkr, Make-up Water, Gn, |
| 1932 | PPMS1407A | Panduit Corp | St Pipe Mrkr, Medical Air, Bu, A |
| 1933 | PPMS1409A | Panduit Corp | St Pipe Mrkr, Medical Vacuum, Bu |
| 1934 | PPMS1411A | Panduit Corp | Pipe Mrkr,med Press Cond,a,yl,ea |
| 1935 | PPMS1413A | Panduit Corp | St Pipe Mrkr, Medium Press Steam |
| 1936 | PPMS1415A | Panduit Corp | St Pipe Mrkr, Med-pressure Steam |
| 1937 | PPMS1417A | Panduit Corp | St Pipe Mrkr, Mill Air, Bu, A,ea |
| 1938 | PPMS1419A | Panduit Corp | St Pipe Mrkr, Mill Water, Gn, A, |
| 1939 | PPMS1421A | Panduit Corp | St Pipe Mrkr, Mixed Gas, Yl, A,e |
| 1940 | PPMS1425A | Panduit Corp | St Pipe Mrkr, Natural Gas, Bn, A |
| 1941 | PPMS1427A | Panduit Corp | St Pipe Mrkr, Nitric Acid, Or, A |
| 1942 | PPMS1429A | Panduit Corp | St Pipe Mrkr, Nitric Acid, Yl, A |
| 1943 | PPMS1431A | Panduit Corp | St Pipe Mrkr, Nitrogen, Gn, A,ea |
| 1944 | PPMS1435A | Panduit Corp | St Pipe Mrkr, Nitrous Oxide, Or, |
| 1945 | PPMS1437A | Panduit Corp | St Pipe Mrkr, Nitrous Oxide, Yl, |
| 1946 | PPMS1439A | Panduit Corp | St Pipe Mrkr, Nitrous Oxide, Bu, |
| 1947 | PPMS1441A | Panduit Corp | St Pipe Mrkr, Non-potable Water, |
| 1948 | PPMS1445A | Panduit Corp | St Pipe Mrkr, Outside Air, Bu, A |
| 1949 | PPMS1447A | Panduit Corp | St Pipe Mrkr, Overflow, Yl, A,ea |
| 1950 | PPMS1449A | Panduit Corp | St Pipe Mrkr, Oxygen, Or, A,ea |
| 1951 | PPMS1451A | Panduit Corp | St Pipe Mrkr, Oxygen, Yl, A,ea |
| 1952 | PPMS1453A | Panduit Corp | St Pipe Mrkr, Oxygen, Gn, A,ea |
| 1953 | PPMS1457A | Panduit Corp | St Pipe Mrkr, Oxygen, Bu, A,ea |
| 1954 | PPMS1459A | Panduit Corp | St Pipe Mrkr, Peroxide, Or, A,ea |
| 1955 | PPMS1461A | Panduit Corp | St Pipe Mrkr, Peroxide, Yl, A,ea |
| 1956 | PPMS1463A | Panduit Corp | St Pipe Mrkr, Plant Air, Yl, A,e |
| 1957 | PPMS1465A | Panduit Corp | St Pipe Mrkr, Plant Water, Gn, A |
| 1958 | PPMS1467A | Panduit Corp | St Pipe Mrkr, Plumbing Vent, Gn, |
| 1959 | PPMS1469A | Panduit Corp | St Pipe Mrkr, Polymer, Yl, A,ea |
| 1960 | PPMS1471A | Panduit Corp | St Pipe Mrkr, Polymer Solution, |
| 1961 | PPMS1473A | Panduit Corp | St Pipe Mrkr, Potable, Gn, A,ea |
| 1962 | PPMS1475A | Panduit Corp | St Pipe Mrkr, Potable Water, Gn, |
| 1963 | PPMS1477A | Panduit Corp | St Pipe Mrkr, Process Water, Yl, |
| 1964 | PPMS1479A | Panduit Corp | St Pipe Mrkr, Process Water, Gn, |
| 1965 | PPMS1481A | Panduit Corp | St Pipe Mrkr, Process Water Retu |
| 1966 | PPMS1483A | Panduit Corp | St Pipe Mrkr, Process Water Supp |
| 1967 | PPMS1485A | Panduit Corp | St Pipe Mrkr, Propane Gas, Yl, A |
| 1968 | PPMS1487A | Panduit Corp | St Pipe Mrkr, Propane Gas, Bn, A |
| 1969 | PPMS1489A | Panduit Corp | St Pipe Mrkr, Pulp, Yl, A,ea |
| 1970 | PPMS1491A | Panduit Corp | St Pipe Mrkr, Pump, Yl, A,ea |
| 1971 | PPMS1493A | Panduit Corp | St Pipe Mrkr, Pumped Condensate, |
| 1972 | PPMS1495A | Panduit Corp | St Pipe Mrkr, Rainwater, Gn, A,e |
| 1973 | PPMS1497A | Panduit Corp | St Pipe Mrkr, Raw Water, Gn, A,e |
| 1974 | PPMS1499A | Panduit Corp | St Pipe Mrkr, Refrigerant Liquid |
| 1975 | PPMS1501A | Panduit Corp | St Pipe Mrkr, Refrigerant Suctio |
| 1976 | PPMS1503A | Panduit Corp | St Pipe Mrkr, Refrigerated Liqui |
| 1977 | PPMS1505A | Panduit Corp | Pipe Mrkr,refrigerated Suction,a |
| 1978 | PPMS1507A | Panduit Corp | St Pipe Mrkr, Refrigeration, Gn, |
| 1979 | PPMS1509A | Panduit Corp | St Pipe Mrkr, Return, Rd, A,ea |
| 1980 | PPMS1511A | Panduit Corp | St Pipe Mrkr, Return, Yl, A,ea |
| 1981 | PPMS1513A | Panduit Corp | St Pipe Mrkr, Return, Gn, A,ea |
| 1982 | PPMS1515A | Panduit Corp | St Pipe Mrkr, Return, Bu, A,ea |
| 1983 | PPMS1517A | Panduit Corp | St Pipe Mrkr, Roof Drain, Gn, A, |
| 1984 | PPMS1519A | Panduit Corp | St Pipe Mrkr, Salt Water, Gn, A, |
| 1985 | PPMS1521A | Panduit Corp | St Pipe Mrkr, Sanitary Drain, Gn |
| 1986 | PPMS1523A | Panduit Corp | St Pipe Mrkr, Sanitary Sewer, Gn |
| 1987 | PPMS1525A | Panduit Corp | St Pipe Mrkr, Sanitary Vent, Gn, |
| 1988 | PPMS1527A | Panduit Corp | St Pipe Mrkr, Sanitary Waste, Yl |
| 1989 | PPMS1529A | Panduit Corp | St Pipe Mrkr, Seal Water, Gn, A, |
| 1990 | PPMS1531A | Panduit Corp | St Pipe Mrkr, Service Air, Yl, A |
| 1991 | PPMS1533A | Panduit Corp | St Pipe Mrkr, Service Water, Gn, |
| 1992 | PPMS1535A | Panduit Corp | St Pipe Mrkr, Sewage, Yl, A,ea |
| 1993 | PPMS1537A | Panduit Corp | St Pipe Mrkr, Sewer, Gn, A,ea |
| 1994 | PPMS1539A | Panduit Corp | St Pipe Mrkr, Sludge, Yl, A,ea |
| 1995 | PPMS1541A | Panduit Corp | St Pipe Mrkr, Soap, Yl, A,ea |
| 1996 | PPMS1543A | Panduit Corp | St Pipe Mrkr, Sodium Hydroxide, |
| 1997 | PPMS1545A | Panduit Corp | St Pipe Mrkr, Sodium Hydroxide, |
| 1998 | PPMS1547A | Panduit Corp | St Pipe Mrkr, Sodium Hypochlorit |
| 1999 | PPMS1549A | Panduit Corp | St Pipe Mrkr, Sodium Hypochlorit |
| 2000 | PPMS1551A | Panduit Corp | St Pipe Mrkr, Soft Water, Gn, A, |