CREATE TABLE table_19198 ("Chassis Manufacturer" TEXT, "Chassis Model" TEXT, "Body Model" TEXT, "Number in Fleet" FLOAT, "Fleet Numbers" TEXT)

Which chassis manufacturer is for fleet numbers range 2530-2558
SELECT "Chassis Manufacturer" FROM table_19198 WHERE "Fleet Numbers" = '2530-2558'
SELECT "Chassis Manufacturer" FROM "table_19198" WHERE "Fleet Numbers" = '2530-2558'